Color: 3 Pack includes pink and blue Double layer size: 64x56mm Four layer size: 81x56mm Package Includes: 3 pcs (2 double layer + 1 four layer) Lawn Mower Blade Sharpener 1. Function: This lawn mower blade sharpener is designed to restore sharpness to mower blades. It can be used for sharpening blades on lawn mowers, lawn tractors, rototillers, drill blades, and sickle bar cutters. 2. Advantages: Fast, automatic, easy, and safe to use, this sharpener saves time and effort. It easily attaches to power drills for quick and efficient blade sharpening, improving cutting performance and safety. 3. Material: Features a 0.78-inch thick grinding wheel, thicker than standard wheels. Made from corundum for high quality, durability, and extended service life. The sharpener is reusable and built to last. 4. Multi-Scenario Application: Suitable for sharpening various blades including lawn mower blades, drill bits, sickle bar cutters, and rototillers. Compatible with both power drills and hand drills to effectively restore dull blades and enhance productivity. 5. Simple to Use: Easily attaches to power drills for fast and convenient sharpening. Installation takes only seconds—simply attach to your electric drill and begin sharpening.