... . Workshop 1: diamond electroplated products: diamond burrs, diamond files, diamond stone sharpeners, diamond electroplated cutting discs, diamond grinding ... polishing pads 4. Workshop 4: carbide brazed tools, like files, hole saws, grout removers, wires, etc. 5. Workshop ... vacuum brazed toolstile bits, marble bits,hand padsdiamond files,diamond sintered carving burrsflexible polishing pads (wet pads ...