Specification: 1.ST0705-B 3",3.5",4" Air Wet Sander/Polisher 2.4500rpm 3.AT-585WL We have the following workshops: 1. Workshop ... Workshop 2: tungsten carbide burrs: inch size and metric size, all standard rotary burrs 3. Workshop 3: diamond wet soft polishing pads and ... , like files, hole saws, grout removers, wires, etc. 5. Workshop 5: titanium tubes and stainless steel tubes used in food, chemical ...