1>diamond grit ---#80~#200 available 2>.coated -- nickel,titanium available 3>smooth cutting ... mounted points&burs are flexible.1 .length -- 45mm2 .diamond grit ---#80~#200 available3 .coated -- nickel,titanium available4 .smooth cutting surface and ... --20pcs/pack ,or upon customer's request Diamond Mounted Points processing Crystal, Agate, Jewel, Jade, Optical Glass, Ceramics, and other Non ...