Features STABLE AND RELIABLE: Double layered corundum, won't melting when sharpening due to high temperatures, ensures stable and reliable sharpening performance and prolongs the life of the blade. EASY INSTALLATION: Corundum mower blade grinder stone takes only 10 seconds to install, just attach it to your drill and use it. It quickly sharpens dull old blades. PRECISE MOWING: The mower blade sharpener is designed to sharpen blades quickly and easily, keeping your mower blades sharpness for precise mowing. EFFICIENT TOOL: The blade sharpener is an efficient tool for sharpening blades, drill blades and mowers, fast, automatic, easy, safe, time saving and labor saving. DURABILITY: Corundum mower blade grinder stone is made of corundum with stainless steel plugs for excellent durability and effectiveness. Specification: Item Type: Corundum Mower Blade Sharpener Material: Corundum Uses: Widely Used in Hand Drill, Grinding Lawn Blade, Drill Blade, Mower, Sickle Mower Lawn Tractor, Rotate Tiller, Etc. Package List:10 x Corundum Mower Blade Sharpener Package List 10 x Corundum Mower Blade Sharpener