high hardness and T.R.S tungsten carbide rotary burrs 1,Supply A,C,D,E,F,G,H, ... type of high hardness and T.R.S tungsten carbide rotary burrsCylindrical (Type A) & Cylindrical ball (Type C) Spherical (Type D ... (Type E) Areround head (Type F) & Arc point (Type G) Torch shape(Type H) & Conical round head (Type L) Conical point ...