high hardness and T.R.S tungsten carbide rotary burrs 1,Supply A,C,D,E,F,G,H,L,M,N various type ... the picture of all the type of high hardness and T.R.S tungsten carbide rotary burrsCylindrical (Type A) & Cylindrical ball (Type ... C) Spherical (Type D) & Elliptic (Type E) Areround head (Type F) & Arc point (Type ...