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 bits, and sickle bar cutters. 2. Advantages: Fast, automatic, easy, and safe to use. The sharpener attaches easily to power drills for quick and efficient blade sharpening. Helps save time and effort while improving cutting performance and safety. 3. Material: Features a 0.78-inch thick grinding wheel, thicker than standard wheels. Made of durable corundum for long-lasting performance. The wheel is built to last and can be used multiple times. 4. Multi-Scenario Application: Suitable for sharpening a variety of blades including lawn mower blades, drill bits, sickle bar cutters, and rototillers. Compatible with both power drills and hand drills to 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.