The hardest and sharpest blade on the market. Ideal for carving.Unique double-edge shape for close quarter work, angled corner cuts, and stripping. Use on plastics, hard and soft woods, foam, rubber, linoleum, and more. Fits handles: #2 Soft Grip Contoured (TV #117177), #2 Handle (TV #117189), #5 Soft Grip Contoured (TV #117180), and #5 Handle.