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This hedge trimmer buying guide helps you choose the right tool for your garden. You will decide between cordless, gas, and pole options. We compare 8 models based on their published specifications. The goal is to match specs to your needs. You need to consider blade length, power type, and weight. These factors determine reach and cutting power.
Each pick in this list comes from a careful review of the data. We look at motor type, voltage, and dimensions. For example, brushless motors offer efficiency. Longer blades handle thicker branches. Weight matters for comfort during long sessions. You will find clear comparisons for each model. This approach removes guesswork. You can trust the data to guide your purchase. The selected tools represent the best balance of features and practicality for various tasks.
Key Specs for Hedge Trimmers
Cutting Width
Blade length determines how much hedge you trim in a single pass. A 20-inch blade offers good control for detailed work, while 24-inch blades cover more ground quickly. Wider blades add weight and leverage, making them harder to hold overhead for long periods. You should choose a width that matches your typical hedge size. The Greenworks 82V 24 in Pole Hedge Trimmer uses a 24-inch blade for broader coverage. The ECHO 20-Inch Gas Hedge Trimmer offers a slightly narrower 20-inch blade for better maneuverability. Balance speed with ease of handling.
Look for
- 20-inch blades for precision
- 24-inch blades for speed
- Weight increases with length
Power Source
The power type defines your workflow. Cordless electric tools offer quiet operation and low maintenance. Gas models provide unlimited runtime and high torque for tough branches but require fuel mixing and engine care. The Husqvarna 24 in 40V Brushless Hedge Trimmer is a cordless electric option that balances power and convenience. The Husqvarna 322HD60 Gas Hedge Trimmer delivers robust gas power for thick branches. Choose electric for small to medium yards. Select gas for large properties or commercial use where refueling is easier than waiting for a battery charge.
Look for
- Cordless for low maintenance
- Gas for unlimited runtime
- Consider noise and fumes
Motor Type
Brushless motors are more efficient and durable than brushed models. They generate less heat and require no carbon brush replacements. This extends the tool's lifespan and reduces upkeep. The Greenworks 82V 24 in Pole Hedge Trimmer features a brushless motor for reliable performance. The Husqvarna 24 in 40V Brushless Hedge Trimmer also uses this technology. Brushless motors often provide better power-to-weight ratios. Look for this specification if you plan to use the tool frequently. It ensures consistent power delivery and lower long-term maintenance costs.
Look for
- Brushless motors last longer
- Higher efficiency ratings
- Reduced maintenance needs
Battery Voltage
Voltage indicates the potential power output of a cordless tool. Higher voltage systems generally drive the motor faster and handle thicker branches better. The Milwaukee M18 FUEL 24 in Cordless Hedge Trimmer uses an 18-volt system, suitable for standard hedges. The Husqvarna 24 in 40V Brushless Hedge Trimmer uses 40 volts for more cutting power. Match the voltage to your existing battery ecosystem if possible. Higher voltage does not always mean better runtime. It primarily affects torque and cutting speed under load.
Look for
- 18V for light tasks
- 40V+ for thick branches
- Check battery compatibility
Engine Displacement
Engine displacement, measured in cubic centimeters (cc), applies only to gas hedge trimmers. It represents the volume of air and fuel the engine processes. A higher cc rating typically means more power and torque. The ECHO 20-Inch Gas Hedge Trimmer has a 21.2 cc engine, providing reliable power for medium hedges. Larger displacement engines are heavier and consume more fuel. Use this spec to gauge raw cutting strength in gas models. It is not relevant for electric or battery-operated tools.
Look for
- 20cc+ for heavy duty
- Higher cc equals more power
- Only for gas models
Weight
Weight affects fatigue and control during use. Lighter tools are easier to maneuver, especially when trimming overhead. The Husqvarna 24 in 40V Brushless Hedge Trimmer weighs 7.94 pounds, making it very manageable. The Greenworks 82V 24 in Pole Hedge Trimmer weighs 9.26 pounds but is designed for reach. Gas models often weigh more due to the engine. The Husqvarna 322HD60 Gas Hedge Trimmer weighs 11.5 pounds. Consider the weight of the battery or fuel tank. A lighter tool reduces strain on your arms and shoulders.
Look for
- Under 10 pounds is light
- Heavier tools cause fatigue
- Check total weight with battery
Battery Capacity
Battery capacity, measured in amp-hours (Ah), determines runtime. Higher Ah ratings allow for longer continuous use before recharging. The Husqvarna 24 in 40V Brushless Hedge Trimmer includes a 4.0 Ah battery, offering extended runtime. The Greenworks 82V 24 in Pole Hedge Trimmer uses a 2.5 Ah battery. Match the capacity to your job size. Small hedges may only need 2.5 Ah. Large properties require 4.0 Ah or more. Consider carrying spare batteries for all-day work.
Look for
- 4.0 Ah for long runs
- 2.5 Ah for small jobs
- Buy spare batteries for efficiency
Types of Hedge Trimmers
Standard Cordless
Standard cordless models offer a balance of power and maneuverability for typical garden tasks. The Husqvarna 24 in 40V Brushless Hedge Trimmer weighs 7.94 pounds and features a 24-inch blade. Its 4.0 Ah battery provides sufficient runtime for medium jobs. You get reliable cutting without the noise and fumes of gas engines. The brushless motor ensures efficiency. This type suits homeowners who want a lightweight tool that is easy to handle. The trade-off is that battery life limits continuous use.
Gas Powered
Gas hedge trimmers deliver robust power for thick branches and heavy-duty cutting. The Husqvarna 322HD60 Gas Hedge Trimmer features a 24-inch blade and weighs 11.5 pounds. It offers an adjustable handle for better control during demanding work. The ECHO 20-Inch Gas Hedge Trimmer has a 21.2 cc engine for consistent performance. These tools are ideal for users who prioritize raw cutting power over convenience. You avoid battery charging times. The main trade-off is the increased weight and the need for fuel maintenance.
Pole Hedge Trimmer
Pole hedge trimmers extend your reach to tall hedges and high branches. The Greenworks 82V 24 in Pole Hedge Trimmer reaches heights up to 77.6 inches while weighing only 9.26 pounds. The Makita 18V 18-in Pole Hedge Trimmer offers adjustable angles ranging from 1889mm to 2511mm. These models allow you to trim overhead vegetation without a ladder. They are best for reaching tall vegetation with a lightweight tool. The trade-off is that the extended length can make precise control slightly more difficult than with standard handheld units.
Common Mistakes When Choosing
Ignoring blade length for hedge size
A short blade struggles with thick hedges, while a long one becomes unwieldy in tight spaces. Match the cutting width to your typical hedge thickness. Narrower blades offer better control for detailed shaping, whereas wider blades cover more ground quickly on larger, open areas.
Overlooking tool weight and balance
Heavy trimmers cause fatigue during extended use. Check the total weight, including the battery if cordless. Lighter models reduce strain on your arms and shoulders. Ensure the center of gravity feels balanced in your hand to maintain precision and comfort throughout your trimming session.
Choosing insufficient battery capacity for runtime
Small batteries die quickly on thick branches. Look for higher amp-hour ratings to ensure the tool lasts through your entire garden job. A 4.0 Ah battery offers sufficient runtime for medium tasks, while larger capacities support longer, more demanding trimming sessions without frequent recharging breaks.
Neglecting motor type and power source
Brushless motors offer longer life and consistent power compared to brushed ones. Gas models provide unlimited runtime but require more maintenance. Cordless models offer convenience and quiet operation. Select the power source that aligns with your maintenance tolerance and the physical demands of your specific garden tasks.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Greenworks 82V 24 in Pole Hedge Trimmer | reaching tall hedges with a lightweight tool | |
| 2 | Husqvarna 24 in 40V Brushless Hedge Trimmer | Homeowners needing a balanced cordless hedge trimmer | |
| 3 | ECHO 20-Inch Gas Hedge Trimmer | medium hedges requiring gas power | |
| 4 | Husqvarna 322HD60 Gas Hedge Trimmer | thick branch cutting and adjustable handle use | |
| 5 | Milwaukee M18 FUEL 20 in Hedge Trimmer | users with existing M18 batteries | |
| 6 | Milwaukee M18 FUEL 24 in Cordless Hedge Trimmer | existing M18 battery users | |
| 7 | Echosari SHC-225S Hedge Trimmer | users wanting a commercial series model | |
| 8 | Makita 18V 18-in Pole Hedge Trimmer | reaching high branches with adjustable angles |
Greenworks 82V 24 in Pole Hedge Trimmer
Best for: reaching tall hedges with a lightweight tool
- Blade Length
- 24 in
- Power Type
- Battery
- Voltage
- 82V
- Cutting Capacity
- 1.2"
- Motor Type
- Brushless
- Battery Capacity
- 2.5 Ah
This 82V brushless pole hedge trimmer features a 24-inch blade and a 30-inch shaft for extended reach. It delivers 4,300 strokes per minute and weighs 9.26 pounds, making it lighter than comparable gas models. The included 2.5Ah battery offers up to 205 minutes of runtime. It suits users needing commercial-grade power with a cordless design for larger shrubs.
- Brushless motor for efficient power delivery
- 4,300 strokes per minute cutting speed
- 24-inch dual-action laser cut blades
- Weighs 9.26 pounds for reduced fatigue
- Up to 205 minutes of trimming time
- 2.5Ah battery capacity is lower than the 26" PRO option
- 24-inch blade is shorter than the 26-inch alternatives
- Single 2.5Ah battery included in this specific size
- You want a lightweight tool for tall hedges
- You prefer cordless convenience over gas maintenance
- You need a 24-inch blade for standard shrubs
- You require a 26-inch blade for wider cuts
- You need a tool-only version without a battery
- You prefer a mid-pole configuration for balance
Verdict: Greenworks 82V 24 in Pole Hedge Trimmer fits homeowners who need a lightweight, cordless solution for reaching taller vegetation without the weight of gas engines. It is ideal for those who value runtime and ease of use over maximum blade length.
Husqvarna 24 in 40V Brushless Hedge Trimmer
Best for: Homeowners needing a balanced cordless hedge trimmer
- Blade Length
- 24-inch
- Power Type
- Battery
- Voltage
- 40V
- Cutting Capacity
- 1 inch
- Motor Type
- Brushless
- Battery Capacity
- 4Ah
The Husqvarna Hedge Master 320iHD60 is a 40V cordless hedge trimmer with a 24-inch blade. It uses a brushless motor for efficiency and offers a 1-inch cutting capacity. The tri-handle design provides better reach and control. This kit includes a 4Ah battery and charger. It suits users who want a balanced tool for moderate hedge maintenance.
- 24-inch blade length for wider cuts
- Brushless motor for improved reliability
- 40V power system with 4Ah battery included
- Tri-handle grips for enhanced control
- 1-inch maximum cutting capacity
- 7.94 pounds weight is heavier than some cordless rivals
- 40V voltage is lower than the 82V option on the list
- 24-inch blade is shorter than the 60-inch blade on the Husqvarna gas model
- You prefer cordless convenience without gas fumes
- You need a 24-inch blade for standard hedges
- You want a complete kit with battery and charger
- You require high voltage for heavy commercial duty
- You need a pole hedge trimmer for tall hedges
- You prefer a lighter tool under 7 pounds
Verdict: Husqvarna 24 in 40V Brushless Hedge Trimmer fits homeowners who want a reliable, mid-range cordless tool. It balances power and control for typical garden tasks. This model is ideal for those who value included accessories over raw voltage.
ECHO 20-Inch Gas Hedge Trimmer
Best for: medium hedges requiring gas power
- Blade Length
- 20 in.
- Power Type
- Gas
- Engine Displacement
- 21.2 cc
- Cutting Width
- 20-Inch
This ECHO hedge trimmer uses a 21.2 cc gas engine to power 20-inch double-sided blades. The double-reciprocating design provides twice the cutting edges of standard single-blade competitors. You get professional-grade performance with a lightweight build. The tool-less air filter cover simplifies maintenance. This model suits users who need continuous runtime and high cutting capacity for larger hedges.
- 20-inch double-sided blade length
- 21.2 cc gas engine
- Double-reciprocating razor edge blades
- Tool-less air filter cover
- 20-inch blade is shorter than the 24-inch and 25-inch options on this list
- 21.2 cc displacement is lower than the 25 cc engines found in comparable gas models
- Gas power requires fuel mixing and pull-starting unlike battery alternatives
- You need a gas-powered tool for extended runtime
- You prefer double-sided blades for faster cutting
- You want easy maintenance with a tool-less air filter
- You prefer battery-powered operation
- You need a blade longer than 20 inches
- You want a lighter weight electric option
Verdict: ECHO 20-Inch Gas Hedge Trimmer delivers reliable cutting power for medium-sized hedges. It fits users who prioritize blade length and engine displacement over battery convenience.
Husqvarna 322HD60 Gas Hedge Trimmer
Best for: thick branch cutting and adjustable handle use
- Blade Length
- 24 inch
- Power Type
- Gas
- Engine Displacement
- 21.7cc
- Cutting Capacity
- 4/5-in
- Dimensions
- 44 × 10.2 × 7.9 inches
- Weight
- 11.5 pounds
The Husqvarna 322HD60 is a gas-powered hedge trimmer designed for residential or part-time professional use. It features a 21.7cc two-cycle engine and a 24-inch stainless steel dual-action blade. This tool cuts twigs and shrubs up to 4/5-inch thick. Weighing 11.5 pounds, it includes an adjustable rear handle for versatile cutting angles. You should choose this model if you need reliable power for thick branches without the weight of larger commercial units.
- 21.7cc two-cycle gas engine delivers strong cutting power
- 24-inch dual-action stainless steel blade cuts in both directions
- Cuts branches up to 4/5-inch thick
- Adjustable rear handle allows for side and top cutting
- Lightweight design at 11.5 pounds for reduced fatigue
- 21.7cc engine displacement is lower than the 21.2cc Echo and 24-inch Greenworks pole options in terms of raw power potential
- 11.5-pound weight is heavier than the 11-pound lightweight gas model and significantly heavier than the cordless Milwaukee and Makita options
- Requires gas and oil mixing, unlike the battery-powered or electric alternatives on the list
- You need to cut thick shrubs up to 4/5-inch in diameter
- You prefer gas power for unlimited runtime without battery swaps
- You want an adjustable handle for cutting sides and tops of hedges
- You prefer cordless tools to avoid gas maintenance and mixing
- You need to trim high hedges without a ladder or pole extension
- You want the lightest possible tool for extended overhead use
Verdict: Husqvarna 322HD60 Gas Hedge Trimmer fits homeowners who need robust gas power for thick branches but want a manageable weight. It is ideal for part-time pros who value the adjustable handle and dual-action blade efficiency.
Milwaukee M18 FUEL 20 in Hedge Trimmer
Best for: users with existing M18 batteries
- Power Type
- Electric
- Dimensions
- 45.8 × 9.45 × 10.6 inches
- Weight
- 8.6 pounds
This Milwaukee hedge trimmer uses an 18-volt M18 battery system. It features a 20-inch cutting width and weighs 8.6 pounds. The tool measures 45.8 inches in length. You get a three-year warranty on material and workmanship. This electric model suits users who already own M18 batteries. It offers a balance of reach and manageable weight for standard hedge maintenance tasks.
- 20-inch blade width
- 8.6-pound lightweight design
- 3-year warranty coverage
- Compatible with M18 battery system
- 20-inch cutting width is shorter than the 24-inch blades on other list models
- 18-volt power rating is lower than the 21.2 cc gas engines and 82V systems on other picks
- 45.8-inch length is shorter than the pole hedge trimmers on the list
- You already own Milwaukee M18 batteries
- You need a lightweight tool for extended use
- You prefer electric power over gas
- You require a 24-inch blade width
- You need a pole trimmer for high branches
- You prefer gas-powered engines for maximum torque
Verdict: Milwaukee M18 FUEL 20 in Hedge Trimmer fits users who already have M18 batteries and want a lightweight, electric option. It is a practical pick for standard hedges where a 20-inch blade is sufficient.
Milwaukee M18 FUEL 24 in Cordless Hedge Trimmer
Best for: existing M18 battery users
- Blade Length
- 24"
- Power Type
- Lithium-ion
- Voltage
- 18-Volt
- Cutting Capacity
- 3/4"
- Motor Type
- Brushless
- Dimensions
- 43 × 8.5 × 7.5 inches
This 18-volt cordless hedge trimmer features a 24-inch blade and a brushless motor. It cuts branches up to 3/4 inch thick. The unit weighs 9.04 pounds and measures 43 inches in length. It suits users who prefer cordless power and need a moderate cutting width. The bare tool design requires a separate battery and charger.
- 24-inch blade length
- Brushless motor for efficiency
- Cuts branches up to 3/4 inch
- 18-volt Lithium-ion power system
- Weighs 9.04 pounds
- 18-volt system offers less power than 82V or 320iHD competitors
- 9.04-pound weight is higher than lighter cordless options
- 43-inch length limits reach compared to pole models
- You already own Milwaukee M18 batteries and want to save money
- You need a 24-inch blade for standard hedge maintenance
- You prefer a handheld tool over a pole trimmer
- You require a pole hedge trimmer for high branches
- You need a gas-powered tool for all-day heavy duty work
- You want a complete kit with battery and charger included
Verdict: Milwaukee M18 FUEL 24 in Cordless Hedge Trimmer fits users with existing 18-volt batteries who need a reliable 24-inch blade for moderate trimming. It is not ideal for high branches or heavy commercial use.
Echosari SHC-225S Hedge Trimmer
Best for: users wanting a commercial series model
The Echosari SHC-225S is a commercial series hedge trimmer designed for durability. It features a multicolor finish and the SHC-225S model designation. This tool suits users who need a reliable unit for regular hedge maintenance. The commercial series build suggests it handles frequent use. You get a straightforward tool without unnecessary complexity. It fits well in a professional or serious DIY toolkit.
- Commercial series build for durability
- SHC-225S model designation
- Multicolor finish
- Brand name Echosari is less common than major competitors like Husqvarna or Echo
- Specs list lacks power rating or blade length details compared to other picks
- You need a commercial series hedge trimmer
- You prefer the SHC-225S model configuration
- You want a multicolor finish
- You require specific power ratings like 21.2 cc or 82V
- You need a known brand like Greenworks or Milwaukee
- You want detailed blade length specifications
Verdict: The Echosari SHC-225S Hedge Trimmer fits users who prioritize the commercial series designation and specific model traits over well-known brand names or detailed power specs.
Makita 18V 18-in Pole Hedge Trimmer
Best for: reaching high branches with adjustable angles
- Blade Length
- 460mm
- Voltage
- 18V
- Cutting Capacity
- 10mm
- Dimensions
- 72.4 × 98.4 × 5.67 inches
- Weight
- 8.16 pounds
This Makita pole hedge trimmer features a 460mm blade and 10mm cutting capacity. It offers 10 angle settings with 60 degrees up and 75 degrees down tilt. The telescopic shaft adjusts from 1889mm to 2511mm. It weighs 8.16 pounds. You get a reverse rotation system to clear jams. This tool suits users needing reach and adjustable cutting angles.
- 10 angle settings for precise positioning
- Telescopic shaft extends up to 2511mm
- Reverse rotation system clears blade jams
- Lock lever allows tool-less extension adjustment
- 10mm cutting capacity is lower than the 24-inch blades on other picks
- 18V battery system provides less power than the 82V or 20-inch gas options listed
- You need to reach high or distant branches
- You want adjustable cutting angles for detail work
- You prefer cordless operation with an existing 18V battery system
- You require a blade wider than 18 inches for fast trimming
- You need the raw power of a gas engine or high-voltage battery
- You want a complete kit with batteries and charger included
Verdict: Makita 18V 18-in Pole Hedge Trimmer fits users who need reach and flexibility. It is ideal for those with existing 18V batteries who prioritize adjustable angles over maximum cutting width.
Specifications side by side
| Spec | Greenworks 82V 24 in Pole Hedge Trimmer | Husqvarna 24 in 40V Brushless Hedge Trimmer | ECHO 20-Inch Gas Hedge Trimmer | Husqvarna 322HD60 Gas Hedge Trimmer | Milwaukee M18 FUEL 20 in Hedge Trimmer | Milwaukee M18 FUEL 24 in Cordless Hedge Trimmer | Echosari SHC-225S Hedge Trimmer | Makita 18V 18-in Pole Hedge Trimmer |
|---|---|---|---|---|---|---|---|---|
| Blade Length | 24 in | 24-inch | 20 in. | 24 inch | – | 24" | – | 460mm |
| Power Type | Battery | Battery | Gas | Gas | – | Lithium-ion | – | – |
| Voltage | 82V | 40V | – | – | – | 18-Volt | – | 18V |
| Engine Displacement | – | – | 21.2 cc | 21.7cc | – | – | – | – |
| Cutting Capacity | 1.2" | 1 inch | – | 4/5-in | – | 3/4" | – | 10mm |
| Motor Type | Brushless | Brushless | – | – | – | Brushless | – | – |
| Battery Capacity | 2.5 Ah | 4Ah | – | – | – | – | – | – |
| Cutting Width | – | – | 20-Inch | – | – | – | – | – |
| Dimensions | 77.6 × 6.57 × 8.54 inches | 47 × 19 × 7 inches | – | 44 × 10.2 × 7.9 inches | 45.8 × 9.45 × 10.6 inches | 43 × 8.5 × 7.5 inches | – | 72.4 × 98.4 × 5.67 inches |
| Weight | 9.26 pounds | 7.94 pounds | – | 11.5 pounds | 8.6 pounds | 9.04 pounds | – | 8.16 pounds |
| Size | 24" Short Pole (2.5AH） | Battery + Charger | – | 322HD60 | – | – | – | 1889mm to 2511mm |
| Color | Green | Orange | Multicolor | Multicolor | red/black | Black,Red,Silver | Multicolor | Blue |
| Model | 82PH30F1 | 970592602 | HC-2020 | 967658901 | 2726-20 | 2726-20-m18 | SHC-225S | DUN461WZ |
If you also need indoor cutting specs, the paper trimmer buying guide lists blade and sheet capacity data.
Frequently asked questions
Which hedge trimmer is best for reaching tall hedges?
The Greenworks 82V 24 in Pole Hedge Trimmer is designed for reaching tall vegetation. It features a 24-inch blade and weighs only 9.26 pounds. This lightweight design makes it easier to handle overhead branches. The brushless motor provides efficient power for cordless operation. You can reach higher areas without the strain of a heavier gas engine.
How does blade length affect trimming efficiency?
Blade length determines the width of your cut in a single pass. A 24-inch blade covers more ground quickly, ideal for large hedges. A 20-inch blade offers better control for detailed shaping. The ECHO 20-Inch Gas Hedge Trimmer uses a 20-inch blade for medium-sized hedges. Choose based on whether you prioritize speed or precision.
What is the advantage of a brushless motor?
A brushless motor offers greater efficiency and longer tool life. The Husqvarna 24 in 40V Brushless Hedge Trimmer uses this technology for reliable performance. The Greenworks pole trimmer also features a brushless motor. These motors reduce friction and heat, allowing for consistent power output. This helps maintain cutting speed during extended use.
Which model is best for existing battery users?
The Milwaukee M18 FUEL 20 in Hedge Trimmer fits users with existing M18 batteries. It weighs 8.6 pounds and offers a 20-inch blade. The 24-inch M18 FUEL model is also available for those needing a wider cut. Both options provide cordless convenience while utilizing your current battery inventory. This reduces the need for additional purchases.
Is a gas hedge trimmer better for thick branches?
Gas models often provide robust power for thick branches. The Husqvarna 322HD60 Gas Hedge Trimmer features a 24-inch blade and adjustable handle. It weighs 11.5 pounds and delivers strong cutting performance. The ECHO 20-Inch Gas Hedge Trimmer uses a 21.2 cc engine for reliable power. These models suit users who prioritize raw power over battery convenience.
How does weight impact handling during use?
Lower weight reduces fatigue during extended trimming sessions. The Husqvarna 24 in 40V model weighs 7.94 pounds, making it easy to maneuver. The Milwaukee M18 FUEL 24 in Cordless Hedge Trimmer weighs 9.04 pounds. Heavier gas models like the Husqvarna 322HD60 weigh 11.5 pounds. Consider your strength and the height of your hedges when choosing.
What features help with high branch trimming?
Pole hedge trimmers extend your reach for high branches. The Makita 18V 18-in Pole Hedge Trimmer adjusts from 1889mm to 2511mm. It weighs 8.16 pounds and offers adjustable angles. The Greenworks pole trimmer also provides reach with a 77.6-inch length. These tools allow you to trim overhead vegetation without a ladder.
Which trimmer offers the longest blade length?
The Husqvarna 24 in 40V Brushless Hedge Trimmer and the Greenworks 82V 24 in Pole Hedge Trimmer both feature 24-inch blades. The Husqvarna 322HD60 also has a 24-inch blade. These wider blades cover more area per pass. The Milwaukee and ECHO models use 20-inch blades. The Makita pole trimmer has an 18-inch blade. Choose the longest blade that matches your strength and hedge size.