1. dental carbide bur: HP shank (ISO 104), diameter 2.35mm (3/32"), suitable to all low speed handpiece More than 180 types of dental carbide burs for choice, most popular shapes are included. They must satisfy all your applications of dental laboratory, jewellery and podiatry. Different kinds of cutter types range from super coarse cutters to coarse cutters, medium cutters, fine cutters and extra fine cutters. Special kits of dental tungsten carbide cutters are OEM available by dental technicians and other demands. 2. FG carbide burs FG carbide bur, shank (ISO 314), diameter 1.6mm, suitable to all high speed handpiece All dental bur is produced by Germany raw material and technology Laser welding All FG carbide burs are manufactured by CNC grinding machine automaticall 3. RA surgical carbide burs RA surgical carbide bur, shank (ISO 205), diameter 2.35mm (3/32") All dental bur is produced by Germany raw material and technology Laser welding All RA surgical carbide burs are manufactured by CNC grinding machine automatically.