The Sharpmaster from United Cutlery offers a convenient and affordable way to keep all your blade edges sharp. It was designed to be quick and easy to use, sharpening single or double edged blades in seconds. The sharpening wheels are made from hardened alloyed metal and ceramic, and include a fine and a coarse grit sharpener. Get your edge and keep your edge with the Sharpmaster from United Cutlery.