Made from medium density felt. Used for final polishing of knife edges and cutting tools. Typically used with White or Green Compound. Supplied with a groove for sharpening the hook of a knife. Best choice for final polishing of hoof knives. Dimensions: 6" diameter, 3/4" thick supplied with telescoping bushing for various diameter shafts. Baldor 1/4 hp buffer operating at 1800 rpm is recommended.