This pocket-size Lansky Dual-Grit, multi-purpose sharpener -- also known as "The Puck" -- is ideal for sharpening lawn mower blades, machetes, hatchets, axe blades, shovels and spades, and a variety of other cutting and chopping tools. Its easy-to-grip, contoured shape provides for safe, simple tool sharpening, and the Dual-Grit design provides a coarse side for quick cutting and shaping, and a medium side for final sharpening and finishing of your edge.