7 Pcs 3/4/5/6/8/10/12mm Titanium Coated Glass Drill Bit With Hex Shank Set

ITEM NAME:7 Pcs 3/4/5/6/8/10/12mm Titanium Coated Glass Drill Bit With Hex Shank Set Material: Tungsten Car.If using on Floor tiles, regularly lubricate the bit with water to keep it cool,and working to its best. 7 Pcs Titanium Coated Glass Drill Bit Set 3/4/5/6/8/10/12mm With Hex Shank. Cutting Length: 3mm/4mm/5mm/6mm/8mm/10mm/12mm.