Specification: 1.ST0705-B 3",3.5",4" Air Wet Sander/Polisher 2.4500rpm 3.AT-585WL ... like files, hole saws, grout removers, wires, etc. 5. Workshop 5: titanium tubes and stainless steel tubes used in food, ... chemical and aerospace fields Product:We are one of the most professional ... the USA and Australia ST0705-B 3",3.5",4" Air Wet Sander/Polisher