10 Pcs Diamond Drill Bit Set 6Mm To 30Mm Diamond Tools Hole Saw Use Glass, 501 Original

10 Pcs Diamond Drill Bit Set 6mm to 30mm Diamond Tools Hole Saw Use for Glass, Marble, Tile or GraniteFeaturesNew assorted 6mm to 30mm Diamond coated hole saw / drill bits (total: 10pcs). Suitable for use in drill hole on glass, marble, tile or granite. Total 10 different sizes, 1 piece of each size Diamond Coated Hole Saw Drill Bits Specifications Size:6mm outside diameter 8mm outside diameter 10mm outside diameter 12mm outside diameter 14mm outside diameter 16mm outside diameter 18mm outside diameter 20mm outside diameter 22mm outside diameter 30mm outside diameter Note:You should add water for coolant and drill slowly when use these dirll bits.Package Content:10* Diamond coated hole saw / drill bits