BINOAX 4/6/7 Pcs Glass Marble Porcelain Spear Head Ceramic Tile Drill Bits Set Spade Drill Bit 3/4/5/6/8/10/12mm BINOAX 4/6/7 Pcs Glass Marble Porcelain Spear Head Ceramic Tile Drill Bits Set Spade Drill Bit 3/4/5/6/8/10/12mm. Sale price : $12.70 Category : Tools