DT DIATOOL Diamond Finger Bit 2PCS 10mm Vacuum Brazed Milling for Enlarging Holes in Tile Porcelain Marble Ceramic Granite

2 pieces 10mm vacuum brazed diamond finger bit Diameter: 10mm; Diamond Height: 50mm; Total Length: 75mm; Grit:#50/60; M14 Thread for Angle Grinder Dry or wet for enlarge, shape and/or round bevel existing holes in porcelain, hard ceramic, marble, granite, tile, stone, countertop Also available to make a hole directly, but not recommend to do it Vacuum brazed technology provide high efficient working performance and much longer life than electroplated ones, Manufacturer: DT-DIATOOL