Top 10 Best Lawn Mower Blade Sharpener Reviews of 2022

Best Lawn Mower Blade Sharpener

The sight of a well-manicured lawn appeals to every homeowner who is ready to invest in many solid tools to keep the lawn looking fresh. A lawnmower becomes an essential tool to achieve this objective, but many people do not realize the importance of adding the best lawn mower blade sharpener to the mix. This is necessary to reduce the possibility of the lawnmower blades from going dull because that, in turn, has a domino effect on the quality of landscaping or any other work done on the lawn by the lawnmower.

Usually, dull blades take more time to cut or shape grass, but they also might damage the grass in the long run. It also becomes difficult to get to the lawn’s edges if the lawnmower is not properly sharpened at regular intervals. A good lawn mower blade sharpener ensures that none of these troubles rear their head and keeps the lawnmower in tip-top shape. This buying guide will provide the ultimate list of good lawn mower blade sharpeners to check out within reasonable budgets.

Best Lawn Mower Blade Sharpener Reviews

1.Magna-Matic MAG-9000 – Best commercial lawn mower blade sharpener

Magna-Matic has created a special fan following among the lawn care professionals who demand nothing but the best from their tools. The Magna-Matic MAG-9000 Professional Lawn Mower Blade Sharpener is designed to help lawn mowers perform all their lawn care activities with unmatched precision and safety. The USP here can sharpen conventional blades of any size in less than 60 seconds, a huge time-saving mechanism compared to any other lawn mower blade sharpener.

Both rights and left-handed blades can be sharpened with a single-direction motor, while the crank adjustment provides an automatic angle matching up to 30 degrees. The powerful BALDOR industrial motor provides 3450 RPM horsepower for this enhanced performance. The NORTON grinding wheels are equipped with LEXAN guards for utmost safety and assurance that they will not burn the blades.

Magna-Matic MAG-9000 Professional Lawn Mower Blade Sharpener’s robust design scheme ensures that it does not need to be bolted and provides a proper work area that won’t slide off under pressure, and uses high-quality engineered plastics components that last longer. Thanks to a handle at the top, it is also easy to carry around the worksite. It is one of the best options for anyone looking for a good lawnmower blade sharpener with an easy-to-use interface and bright color interplay.

PROS (What we liked)
  • Saves time with 60-seconds sharpening
  • Works with right-handed as well as left-handed blades
  • Convenient 30-degree angle sharpening
  • Durable quality
  • Looks sturdy and colorful
CONS (What we didn’t like)
  • Expensive compared to its competitors
  • Some users may find it too heavy.

2. Oregon 88-023 Professional 1/2 HP Lawnmower Blade Grinder

Oregon is quite famous among homeowners for providing highly functional home and outdoor tools, and Oregon 88-023 Professional 1/2 HP Lawnmower Blade Grinder is another gem of an offering. For those searching for a good lawnmower blade sharpener, this fast and easy-to-use equipment is the right answer.

The heavy-duty construction ensures stability in operation while the adjustable handles and in-built light extension keep safety paramount. Moreover, the sharpening of blades is done quickly and on both right and left blades with its reverse motor.

The on/off switch is important in terms of adjustment skills and keeping safety on top. There are adjustable knobs to change the height settings so that blades of all sizes and widths can be easily sharpened.

The grinder works on 1750 RPM horsepower that gives a consistent sharpening performance. A separately sold grit-collector can be used to take care of any mess created on the worktable. This is a high-quality setup for any homeowner or lawn care professional.

PROS (What we liked)
  • Safety features include an on-off switch.
  • Time-saving performance
  • Works on all sizes of blades
  • A convenient grit-collector is included.
  • The light extension is helpful for safety and precision.
CONS (What we didn’t like)
  • It is heavier when compared to other lawn mower blade sharpeners.
  • Sometimes getting a good sharpening angle could be difficult.

3. MB Machine LLC Lawn Mower Blade Sharpener Adjustable for Mulching and Standard Blades

MB Machine has brought a winner for all homeowners or lawn care enthusiasts looking for the best lawn mower blade sharpener in the form of MB Machine LLC Lawn Mower Blade Sharpener. Its biggest advantage is the design scheme itself that includes an affinity for sharpening standard and mulching blades. This makes it perfect for use in normal households as well as professional lawn care studios.

The unique design includes a sturdy vice head and a versatile friction arm that work seamlessly to hold the mower blade and sharpen it at perfect angles. It can even be mounted to a workbench for those users who prefer that instead of working directly with the vice mounted apparatus. Even though it does not include a grinder, it has a universal adapter pin that ensures it can work flawlessly with all available grinders in the market.

Since the design is portable, MB Machine LLC Lawn Mower Blade Sharpener can be easily carried around the house or worksite. The presence of a 5-year warranty provides additional peace of mind about the utmost quality of MB Machine LLC Lawn Mower Blade Sharpener.

PROS (What we liked)
  • Convenient to carry around
  • Provides 5-year warranty scheme
  • Uniform and quick sharpening performance
  • Can work with all kinds of grinders
  • It can be mounted on a bench.
CONS (What we didn’t like)
  • The hinge mechanism can come loose on the vice head sometimes.
  • It does not include a grinder.

4. SHARP 103N All-in-1 Knife

Those who love multitasking would be pleased to meet SHARPAL 103N All-in-1 Knife, Lawn Mower Blade, Axe, Machete, Pruner Shear Scissors Multi-Sharpener & Garden Tool Sharpener that performs multiple functions around the house in one nifty package. This versatile tool makes it apt for sharpening blades ranging from kitchen knives to lawnmower blades and from simple scissors to hedge pruners.

It has an oversized handle that ensures even glove-wearing large hands can easily use it. It is equipped with 3 versatile sharpening slots that provide apt sharpening angles for different kinds of equipment. While the inclusion of a handguard and rubber-coated non-slip base ensures safety during operation, it is also tested for 10000 error-free performance cycles.

Moreover, apart from preset sharpening angles, it also has a tungsten carbide bar and a ceramic bar that help remove burrs or any other kind of damage in knives, axes, shears, or other edged tools. These also help sharpen different sizes of blades. All this is covered under a 3-year limited warranty scheme that helps customers in the long run.

PROS (What we liked)
  • Works with different tools such as blades, knives, serrated edges
  • Handy and portable
  • Safety is ensured with an oversized handle.
  • Has preset optimal sharpening angles
  • Value for money.
CONS (What we didn’t like)
  • It does not include a grinder.
  • It provides a limited warranty.

5. Smith’s 50603 Mower Blade Sharpener

Smith’s reputation as one of the most ardent manufacturers of outdoor equipment is proven by the fantastic performance given by Smith’s 50603 Mower Blade Sharpener. The simple-to-use tool uses a robust plastic head to ensure a good grip, leading to safety.

It has a carbide blade with preset optimal sharpening and smoothening angles to work with different kinds of blades within minimal time. It relies on simple pulling motions to sharpen the blade instead of twisting the user into complicated maneuvers.

The oversized finger guard on the head enhances the safety aspect. The handle is large enough to be used with gloved hands and transport it from one area to another. One interesting feature here is the bright color of this nifty equipment that lends it protection from daily outdoor life’s dirt and dust.

The easy-to-assemble quality makes it apt to be used by beginners in-home and outdoor equipment. The addition of a cleaning brush ensures utmost hygiene around the workspace too. Since this wire-bristled brush can be easily stored within the plastic head, it saves space and enhances portability.

Altogether, this is one of the best lawn mower blade sharpeners with a combination of strong design and seamless functionality.

PROS (What we liked)
  • A large handle and finger guard provides safety.
  • Presence of a cleaning brush
  • Very easily assembled
  • It comes in attractive color.
  • Versatile carbide blade for quick sharpening.
CONS (What we didn’t like)
  • Head seems bulkier compared to other sharpeners; Mayis not as durable as some of its competitors.

6. Happybuy 14 inches Yellow Lawn Mower Blade Sharpener

Most homeowners looking for a good lawn mower sharpener blade look for a sturdy and easy-to-use setup. The Happybuy 14 inches Yellow Lawn Mower Blade Sharpener provides ample strength for them in bright-colored hardware.

Made of high-quality iron, it is not prone to damage due to rust or corrosion that is a common element for most other lawn mower blade sharpeners. The strong base ensures that the sharpening process does not shake the apparatus wildly and keeps the whole process safe. Meanwhile, the 30-degrees bevel provides the optimal angle for sharpening lawn mower blades of different sizes.

While it does not include a grinder motor, it has a detachable adjustable tool holder ring that suffices well to fit any grinder that the user purchases. The self-assembly process is geared to be user-friendly as it comes equipped with extras sharpener blades and other nitty-gritty accessories. Bright, strong, and simple-to-use, this is surely a happy buy for any homeowner or lawn care enthusiast.

PROS (What we liked)
  • Rust-resistant design quality
  • Convenient for 30-degrees sharpening
  • Vibration-free robust performance
  • The extra blade is included.
  • Optimized to work with any grinder.
CONS (What we didn’t like)
  • It does not include a grinder motor.
  • Some users may find the assembly process difficult.

7. All American Sharpener 5000 for Mulching and Standard Mower Blades

All American products are famous for providing high-level performance in every household, and All American Sharpener 5000 is no exception. Made of anodized aluminum and stainless steel, this is a strong and versatile lawn mower blade sharpener that works with standard and mulching blades.

It can be used freestyle by holding the blade in a pivoting head vice, or the bench mount can be used to create a stable workstation where the user can work on the optimal sharpening angle. Even though an angle grinder is not included in this setup, it comes with an adapter pin to allow most grinders available in the market.

Blades are sharpened super-fast here, thus helping homeowners and lawn care professionals save a lot of time. Not only this, but it also has the ability to sharpen multiple blades simultaneously without compromising on the performance. No wonder that All American is famous for crafting the best lawn mower blade sharpening tool.

PROS (What we liked)
  • High-tech construction with Aluminum + Steel
  • Stable bench mounts included.
  • Works with different blades
  • Can perform simultaneous sharpening
  • An adapter pin for grinders is also included.
CONS (What we didn’t like)
  • Quite expensive in the field of blade sharpeners
  • Absence of angle grinder.

8. Work Sharp Knife & Tool Sharpener

Work Sharp has crafted many legendary home and outdoor products, and Work Sharp, Knife & Tool Sharpener, remains one of the most popular of the bunch. Famed for its versatility, this easy-to-use equipment has a negligible learning curve and can be used even by a newbie to the world of tools sharpening.

The most popular fact remains that this is perhaps the only apparatus that provides professional-quality sharpening performance to the widest range of knives, blades, and other edged tools within the comfort of one’s home. This is done with the help of interchangeable angle sharpening guides that include 25-degrees to 50-degree bevels and different abrasive belts for coarse, medium, or fine sharpening quality.

This setup can handle sharpening, smoothening, and honing most edged or serrated tools as long as they are not humungous or heavy in size. Those who would like to enjoy professional sharpening quality at home would do well to check out Work Sharp Knife & Tool Sharpener setup.

PROS (What we liked)
  • Easy functioning even by a newbie
  • Different belts for sharpening
  • Works with a variety of edged tools
  • Professional quality within budget
  • It takes minimal space while carrying around.
CONS (What we didn’t like)
  • Not intended for sharpening very large or thick blades
  • Needs a separate guide for scissors.

9. WEN 4276 2.1-Amp 6-Inch Bench Grinder with Flexible Work Light

A favorite of many lawn care professionals, WEN 4276 2.1-Amp 6-Inch Bench Grinder with Flexible Work Light brings a premium level of performance within a value-for-money price. The compact design includes two strong grit wheels, a 60-grit for superior grinding and a 36-grit for easy material honing or removal. It works as efficiently with a lawnmower blade as with many other edged tools that need sharpening, honing, or de-burring.

This is aided by the powerful 3450 RPM motor performance that remains on the quiet side even in the dead of night. The inclusion of a robust base ensures complete safety with a vibration-free operation enhanced with eye guards’ presence. The wheel guard can be removed easily, too, making it safe as well as extremely user-friendly.

For those worrying about working on this strong setup in dark environs, fret not as an adjustable work light is included to light up any workspace for maximum visibility. The presence of a two-year warranty scheme adds a cherry to the top as far as homeowners are concerned.

PROS (What we liked)
  • Operation is done in a no-noise fashion.
  • Ensures visibility with flexible light
  • Safety first with eye guard
  • Includes warranty of 2 years
  • Comes pre-assembled.
CONS (What we didn’t like)
  • It May does not work properly with huge blades.
  • Some users may find it bulky.

10. Funvolution Lawn Mower Blade Sharpener Universal

Bringing the next step of technological evolution to life in a fun way, Funvolution has created a stir in the market with offerings such as Funvolution Lawn Mower Blade Sharpener. The use of high-quality Corundum in its creation to provide an extra dose of durability is just the beginning of why it is considered the best lawn mower blade sharpener.

At 0.78 inches of thickness, this pack of 4 grinding wheels is sturdier than anything else offered by its competitors. Simultaneously, they exhibit unmatched portability due to their small size and can be attached to any power or hand drill for a complete sharpening powerhouse performance.

The automatic and fast sharpening performance can be seen with lawnmower blades and various other tools such as axes, knives, and gardening scissors or shears. The only cause of concern may be the plastic head’s durability that may not bear the thickness of the grinding stone or the rapid pace of consistent sharpening. Still, this minor concern is offset by the versatility of Funvolution Lawn Mower Blade Sharpener Universal.

PROS (What we liked)
  • Corundum material used for construction
  • Works for sharpening as well as honing different tools
  • Small size for good portability
  • No technical knowledge needed to use these
  • Saves time and money.
CONS (What we didn’t like)
  • On the expensive side compared to many other blade sharpeners.
  • The plastic head may not be ultra-durable.

Factors to consider while buying a lawnmower blade sharpener

A normal homeowner may find it difficult to choose the best blade sharpener by looking at the brands’ plethora. However, the choice may become easier if the following factors are considered thoroughly by the user before making the final decision.

Design Scheme

The user needs to remember the main aim of buying a lawnmower blade sharpener in the first place. If the sharpener needs to be bench mounted, then all the sharpeners that do not show this design attribute need to be discarded from the choice matrix. This factor includes the quality of the blade sharpener too. Often, we have seen that we get what we pay, and there is no point in expecting an industrial level performance from a cheap apparatus. It thus becomes important to check out multiple reviews of different brands before zeroing down on one.

Speed according to the usage

In this world where everyone is hard-pressed for time, every homeowner and a lawn care professional want a blade sharpener that does not take up too much of their time. Simultaneously, it should not be too fast as the resultant heat may create security issues, not to mention security concerns that may crop up if the sharpener is too fast and creates too much vibration. This becomes a balance where the sharpener needs to be fast without compromising safety or performance.

Safety & Security

Whenever a user is handling tools with sharp edges such as lawnmowers or kitchen knives, the factor of safety automatically rears its head. The user needs to see the design scheme and evaluate if it exposes any dangerous edges that may lead to injuries. Also, the inclusion of safety features such as eye guards makes it easier to make a safe choice.

User-friendliness & durability

Some users have never used a blade sharpener in their life and need a tool that doesn’t give them grief while installing or using it. Some users are right-handed while others are left-handed, and both kinds need a versatile blade sharpener. This makes the factor of ‘user-friendliness’ pop up. Meanwhile, it is also important for the lawnmower blade sharpener to give a value-for-money performance and last an appropriately long time, or it might turn out to be an expensive proposition if it needs parts replacement now and then.

Extra features

A lawnmower blade sharpener is equipped with different parts such as a grinding motor, stones, abrasive belts, etc. Not every sharpener has every part, and not every user needs them all either. It is important to understand the purpose for which the sharpener is being bought, and accordingly, the inclusion or absence of any extra feature can be judged. There is no point in paying extra bucks for some features that remain fantastic on paper but are never used in the real world and vice versa.

Frequently Asked Questions

How to use a lawnmower blade sharpener?

The best way to understand how to use a lawnmower blade sharpener is to browse through the accompanying manual for users. Every blade sharpener has unique functionality and specific security instructions that must be followed.

How often to sharpen lawn mower blades?

The frequency and the usage pattern of the lawn mower decide on the frequency of the sharpening of its blades. For those who use their lawn mower rarely or purely for domestic purposes, even a once-a-year-sharpening ritual might be enough. For others who may be nurturing their landscaping business, a heavy-duty blade sharpener may be needed that can sharpen blades perfectly every month. As a general rule, it is wise to get the blades sharpened as soon as they start looking dull or full of burrs.

Types of lawn mower blades?

There are two main types of lawn mower blades- Standard and Mulching. Standard or 2-in-1 blades perform the tasks of cutting the grass and discarding the grass clippings. On the other hand, Mulching or 3-in-1 blades provide an extra option of depositing the grass clippings back into the soil in much smaller sizes. This may increase the nutrition content of the soil and is most ardently used by lawn care professionals.

What angle should a sharp mower blade have?

The sharpness of the mower blade needs to be maintained for a long healthy life of the blade and consistently beautiful performance on the lawn. Usually, a 30-45 degrees angle is considered good enough to provide a consistently sharpened blade.

Can I sharpen my mower blades with a power drill?

Yes. A power drill with a powerful grinding wheel or stone is fast gaining traction when it comes to mower blade sharpening. The usual rules apply here, to see the usage of the lawn mower and sharpen it accordingly, once a year or once a month.

How tight should mower blades be?

The tightness of mower blades ensures the safety of the lawn mower user once the sharpening of the blade is done. It is reattached to the lawn mower. Tightening it to between 70-80 pounds of torque is the most common step taken by the users.

How sharp should your mower blade be?

This is a delicate balance that the user must always strive for, ensuring that the blade is neither too dull nor too sharp. In the former case, it will become redundant too soon, and in the latter, it will damage the grass. It should not be sharp enough to cut anyone’s hands-on touching it but also not soft or dull enough to not affect the lawn.


The market is full of brands claiming to provide the only lawn mower blade sharpener worth checking out, but we know that is not true. One needs to consider multiple factors before zeroing down on the blade sharpener to keep every lawn looking fresh. It is a tool not used for vanity but for increasing the lawn’s beauty and the lawn mower blade’s lifespan that would otherwise be headed to a retirement home within a year of its purchase. After considering different factors, this buying guide has come up with the best of the lot in different budget segments that would surely help everybody in the lawn care industry.