Specification: 1.ST0201-D Flexible Metal Copper Resin Pads 2.size:4",5" ... Workshop 4: carbide brazed tools, like files, hole saws, grout removers, wires, etc. 5. Workshop 5: titanium tubes ... suction cups, plastic suction cups, grout bagsgrout hole saw kits, carbide grout sawsflexible blade margin trowels, notch trowels ... Germany, the USA and Australia Flexible Metal Copper Resin Pads size:4",5"