• Diamond Core Drill Bits 1/4 Inch (06mm) Tile Hole Saws with 5/8-11 Thread Dry or Wet Drilling for Porcelain Ceramic Tile Granite Concrete Marble Stone Brick Vacuum Brazed Hole Saw KWD 7.500
• Diamond Beveling Chamfer Bit 0-2" (50mm) Countersink Drill Bits for Existing Holes Enlarging Shaping Trimming in Tile Marble Glass Granite Ceramic W/ 5/8"-11 Thread & 3/8" Hex Shank Adapter KWD 7
• Diamond Drill Bits Set, 5 Piece Dry Diamond Hole Saw with Quick Change Hex Shank for Granite Ceramic Marble Tile Stone Glass Hard Materials (not for Wood) 1/4. 5/16. 3/8. 1/2 inch KWD 9