... 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 M cone-shape tungsten carbide rotary burrsCylindrical (Type A) & Cylindrical ball ... (Type G) Torch shape(Type H) & Conical round head (Type L) Conical point(Type M) & Upconing(Type N)