Ideal for use in deburring of material such as copper, bronze, aluminum alloy etc. Burrs made of high quality tungsten carbide Blow molded case for easy storage and transport Set includes: 1PC SD-1 Ball Shape (1/4") 1PC SC-3 Cylindrical Radius End (3/8" x 3/4") 1PC SA-3 Cylindrical Shape (3/8" x3/4") 1PC SB-3 Cylindrical End Cut (3/8" x 3/4") 1PC SF-3 Tree Shape Radius End (3/8" x 3/4") 1PC SG-3 Tree Shape Pointed End (3/8" x 3/4") 1PC SL-3 Taper Shape Radius End (3/8" x1-1/16") 1PC SM-2 Cone Shape (1/4" x 3/4")