... 2.for Stone,Tile,Glass,Metal,Wood 3.6pcs/set,10/12/16/18/22/25 5.3/8",1/2 ... 4: carbide brazed tools, like files, hole saws, grout removers, wires, etc. 5. Workshop 5: titanium tubes and stainless steel tubes ... Australia Ti Cross Type Carbide Tipped drill Bit 6pcs/set,10/12/16/18/22/25