The x sharpener has a high quality grinding wheel, strong and strong enough to make your clipper have a clean and sharp edge; Makes it easy to get sharp edges on the blade of the lawn mower without cavities or dents; keep the blade balanced; 1/4 inch shank fits each drill bit; built-in guide creates the correct edge angle, permanent grinding wheel; Intended use: Works on most clippers without removing the blade - get your blade looking new in less than 10 minutes; Suitable for most mulching operations, for example. Like kitchen x, x, razors, cutting x, precision tools, garden tools and art tools, but without serrated blades or ceramic x. Functions : Clean cuts with finer cuts for healthier turf; faster mowing and less mowing. Usage: The roughened design facilitates quick sharpening of the blade and saves time and effort. Sharp edges make work in the kitchen and garden more interesting. Lightweight, compact and practical. Ideal to take with you when you are out and about. Specifications: Product name: Lawn mower sharpener Quantity: 5 Material: Natural corundum Size: Universal Package Included: 5 * Lawn Mower Sharpener Precautions: Due to manual measurements, deviations may occur.