20 PC. diamond bit set 1/8'' shaft Description diamond bit set 8 Cylinder Bits: 048, 056, 062, 075, 077, 122, 129, ... Tapered Point Bits: 082, 086, 179 Diameter 1 Tapered Flat Bit: 122 DiameterAbout Us Our company has own manufacturer in mainland ... manufacturer just for developing foreign market, cause we can provide high quality products, competitive price and prompt delivery.