Cross Hex Tile Bits Glass Ceramic Concrete Hole Opener Alloy Triangle Drill Size

Bit Type: Tile & Glass Drill Bit. Suitable for Ceramics, granite, tiles, stone, wood, plastic,concrete wall to drilling hole. Can be installed in the hand drill, electric drill. 4 PCS x (3mm+4mm+5mm+6mm)Drill Bit.

eBay