4-Pc Set of Mounted Tungsten Carbides with super strong and long lasting tungsten carbide grit that will not tear loose. Their edges stay sharp and are thin enough for cut off applications. Use to cut, carve, sand and shape on wood, plastic, laminates, fiberglass, ceramic tile, kevlar, leather, rubber and styrofoam. Includes 1 each of A-6611, A-6613, A-6621 and A-6624. Comes in small square bur stand with clear cover.