Lawn Mower Blade Sharpener, 15–45 Balancer Kit

Lawn mower blade sharpener and balancer delivers fast, controlled sharpening with a 15°–45° adjustable guide to restore a clean cutting edge and smoother mowing. Built for stability and quick setup, it mounts to most angle grinders via 4 adapter pins and holds blades securely while the ball-bearing guide arm keeps movement smooth. The enlarged 25 mm handle improves grip and helps reduce hand fatigue during longer sharpening sessions.

• Adjusts 15°–45° with a clear angle scale for precise, repeatable sharpening results


• Includes a blade balancer to help reduce vibration and support smoother mower operation


• Fits most angle grinders using 4 adapter pins (angle grinder not included)


• Stabilizes blades with 4 holder bars and a ball-bearing guide arm for smooth control


• Improves comfort with a 25 mm enlarged handle for a steadier grip and less fatigue

Dial in the angle you need, lock the blade in place, and sharpen with consistent control—then balance the blade to keep your mower running smoother. The durable aluminum-alloy build is designed for frequent use and easy transport between the garage and job sites. Ideal for routine maintenance, seasonal tune-ups, and keeping grass cuts clean without the hassle of freehand grinding. Grab yours today and make blade upkeep quicker, steadier, and more repeatable.

• Product type: Lawn mower blade sharpener with blade balancer


• Adjustable angle: 15°–45°


• Compatible blade length: 0–30 in (0–762 mm)


• Compatible blade thickness: 0–0.28 in (0–7 mm)


• Compatible blade width: 2.76–5.51 in (70–140 mm)


• Dimensions: 11.81 x 5.91 x 6.30 in (300 x 150 x 160 mm)


• Weight: 7.05 lb (3.2 kg)


• Materials/features: Aluminum alloy body; ball-bearing guide arm; 25 mm handle; balancer with 6 magnets