... high hardness and T.R.S tungsten carbide rotary burrs 1,Supply A,C,D,E,F,G,H,L,M,N various type. 2 ... ,factory price Below is 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 L) Conical point(Type M) & Upconing(Type N)