Smith"s Edge EdgeEater® Multi-Purpose Tool Sharpener2-5/8" diameter, excellent all around sharpening stone.Features Sharp Shield® to protect hands.Designed to hand sharpen lawn and garden tools, hand tools,axes, mower blades, clippers, machetes, shears, shovels,hoes and knives.Ergonomically designed.Country of Origin: USAComfortable and easy to use.