... , diamond resin grinding wheels, etc. 2. Workshop 2: tungsten carbide burrs: inch size and metric size, all standard rotary burrs ... wet soft polishing pads and diamond dry soft polishing pads 4. Workshop 4: carbide brazed tools, like files, hole saws, grout removers ... , wires, etc. 5. Workshop 5: titanium tubes and stainless steel tubes used ...