Wallet-Size Diamond Easy Knife Scissor Blade Sharpener 600G Have all your favorite knives & scissors cutting like new with this easy to use sharpening stove Solid steel block has industrial diamond permanently brazed to surface during manufacture Hardest abrasive material available works with any metal, even hardened stainless steel & carbide Easy to handle and store 3-1/4 x 2 in.; fits in pocket, tackle box or toolbox drawer Extra-fine 600 grit hones to razor-blade sharpness; use wet or dry