SporGain [Updated Lawn Mower Blade Sharpener 15°-45° Adjustable Frame

The SporGain Lawn Mower Blade Sharpener Jig is a workbench fixture designed to hold mower blades securely while you sharpen them with an angle grinder. Keeping mower blades sharp is essential for clean lawn care, and this sharpening tool helps maintain consistent cutting edges across different blade types. It suits homeowner groundskeepers and DIYers who want to sharpen standard straight, mulching, or high-lift mower blades at home without relying on guesswork.

This jig accommodates blades ranging from 1.65 inches to 3.60 inches in width, covering a broad selection of standard lawn mower equipment. Angle adjustment is straightforward, offering a range from 15 degrees to 45 degrees. You can manually adjust the angle of the blade holder and the angle grinder bushing by hand using built-in thumb screws, letting you set precise angles for different blade styles quickly and efficiently.

For smooth handling during operation, the jig features a ball bearing mechanism and an enlarged 25mm diameter handle. It comes equipped with four adapter screws to help connect your angle grinder to the bushing assembly. Setup is designed to be simple: out of the box, you fix the frame onto a table or workbench, perform a few initial adjustments, and begin sharpening. Its universal compatibility allows it to connect with most standard angle grinders.

There are a few limits to note based on the listed facts. The jig relies on manual thumb screw adjustments, so you must set the angles by hand before work begins. It also requires you to supply your own compatible angle grinder and have a solid workbench or table available to mount the fixture. Additionally, blades narrower than 1.65 inches or wider than 3.60 inches fall outside its specified clamp range.

Verdict: The SporGain Mower Blade Sharpener provides a practical, bench-mounted fixture for anyone looking to sharpen straight, mulching, or high-lift blades with an angle grinder. Its wide angle adjustment and solid blade clamp make it a reliable choice for DIY lawn care maintenance. If you own a compatible angle grinder and a sturdy workbench, this sharpener jig is a smart addition to your garage tool setup.

• Compatible Blade Widths: 1.65 to 3.60 inches
• Adjustable Angle Range: 15 to 45 degrees
• Adjustment Method: Manual thumb screws
• Handle Diameter: 25mm enlarged handle
• Supported Blade Types: Standard straight, mulching, high-lift
• Included Accessories: 4 adapter screws for angle grinder
• Mounting Location: Table or workbench
• Grinder Compatibility: Fits most angle grinders

A great fit if you:

• Own standard straight, mulching, or high-lift mower blades between 1.65 and 3.60 inches wide
• Want to set sharpening angles manually between 15 and 45 degrees using thumb screws
• Have a workbench or table available to mount the sharpener fixture securely
• Already own or plan to use a compatible angle grinder

Consider something else if you:

• Need to sharpen mower blades narrower than 1.65 inches or wider than 3.60 inches
• Do not have an angle grinder or a workbench to secure the tool

What mower blade types can this sharpener hold?
This jig is designed to hold standard straight, mulching, and high-lift lawn mower blades. It fits blades with widths ranging from 1.65 inches to 3.60 inches.

How do you adjust the sharpening angle on this tool?
You adjust the blade holder and angle grinder bushing manually by hand using built-in thumb screws. The frame allows setting angles anywhere between 15 degrees and 45 degrees.

What hardware is included to attach an angle grinder?
The kit comes equipped with four adapter screws designed to connect the angle grinder to the sharpener jig's bushing assembly. It is compatible with most standard angle grinders.

How is the sharpener set up for use?
You fix the frame onto a table or workbench after unboxing, perform a few settings and adjustments, and attach your angle grinder to start sharpening.