ITEM NAME:6PCS Set Ceramic Tile Glass Drill Bits Hex Shank 3/4/5/6/8/10mm Chuck Bi MQT.6PCS Tile Hole Opener. Product list: 6PCS tile hole opener. 6.35mm Hex shank for chucks and bit holder. Make it easier to drill through the porcelain or glass. We'd like to settle any problem in a friendly manner.
