Product name: Lawn Mower Blade Sharpener Key Features: Improve Working Efficiency: Lawn mower sharpener grinder wheel stone can quickly make blunt old blades sharper, effectively improve your working efficiency Rotating Balance: Our blade sharpener has a rotating balance design, which can sharpen the blade easily and quickly, saving time and energy. Wide Compatibility: Our lawn mower sharpener is with hand drills, corded and cordless power drills, convenient and practical. Specification: Texture: stone, metal Blade sharpener: 55 x 55mm/2.17 x 2.17 inch Blade balancer: 60 x 50mm/2.36 x 1.97 inch Shank diameter: 6.35mm (1/4 inch) Application: lawn blade, lawn tractors, mower, rototillers, drill blade, etc. Note: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the . 2. Please allow slight dimension difference due to different manual measurement. Thank you for your understanding. [Complete 15-Piece Lawnmower Blade Sharpening Tool ] The lawnmower blade sharpener kit includes 12 mower blade sharpeners and 3 mower blade balancers. Our lawn mower blade sharpener tool comes with everything you need to maintain and balance your mower blades. [Easy To Install Drill Blade Sharpener] This lawn mower blade sharpeners set features a universal 1/4" shank, allowing it to be easily attached to power drills and hand drills. It sharpens the blade in less than 10 minutes, making maintenance quick and effortless for your lawn mower blades. Perfect for DIY lovers. [Reusable Lawn Mower Blade Sharpener Kit] The mower blade sharpening tool is made of stone and metal, strong enough to keep the mower edges clean and reusable many times over. [Rotary Lawn Mower Blade Sharpening Kit] The mower sharpening tool is designed to rotate balanced enough to your mower blades clean and incisive again, extending the mower's lifespan and reducing engine strain. [Wide Application Lawn Blade Sharpener] The lawn mower sharpener has a wide range of applications and are ideal for sharpening lawn blades, drill blades, mowers, sickle bar cutters, rototillers,garden shears and more.