This high quality pneumatic drill tapping machine is for copper, iron, aluminium, steel, stainless steel, plastic, wood Gweike Pneumatic dril tapping ... Pneumatic tools, torque, light weight, high efficiency. World famous brand products, Air Motor’s brand is SLOUX of USA .Service and quality ... limited tap holderHexagon Wrench lestInstruction manual High quality pneumatic Drill Tapping machine