20x 3MM 6MM Diamond Burr Set Grinding Drill Bits Set Rotary Tool Kit UVS

ITEM NAME:20x 3MM 6MM Diamond Burr Set Grinding Drill Bits Set Rotary Tool Kit UVS.20Pcs Diamond Burr Set Drill Bits Set Tool Rotary Grinding 3.0MM 6MM. Uses: Mainly Used For Engraving Polished Glass, Jade, Gems, Stones And Hard Objects, Mold Grinding. Diamond Grinding Head 20. We'd like to settle any problem in a friendly manner.