If you're looking for a small hand sharpener to refine your edge on League night, this compact sharpening puck is the perfect for you. Dual-Grit Tool Sharpener. Designed for use on lawn mower blades, machetes, shovels, axes, hatchets and more. 3" diameter. One side is coarse grit, one side is medium grit. Tucks easily into backpack, pocket, tackle box or tool box.