20 PC. diamond bit set 1/8'' shaft Description diamond bit set 8 Cylinder Bits: 048, 056, 062, 075, 077, 122, ... Tapered Point Bits: 082, 086, 179 Diameter 1 Tapered Flat Bit: 122 DiameterAbout Us Our company has own manufacturer in mainland ... 've been professional in the field of carbide burrs and diamond tools for more than 20 years, cause the market coverage rate ...