Specification: 1.ST0312 Diamond Double Riffler File 2.size:dia.3x180x10pcs 3 ... Workshop 1: diamond electroplated products: diamond burrs, diamond files, diamond stone sharpeners, diamond electroplated cutting discs, diamond grinding discs, diamond resin grinding wheels ... diamond dry soft polishing pads 4. Workshop 4: carbide brazed tools, like files, hole saws, grout removers, wires, etc. 5. Workshop 5 ...