* aluminum alloy body& handle * sand blasting with powder coated * universal zinc alloy adapter with teflon, brass nozzle * brass adjustable screw * stainless steel sealing needle * steel trigger with nickel coated * steel gun barrel: surface polishing with nickel coated * ce certification * individually tested by air pressure Packing: Each one with a white triangle inner box, 20pcs per outer carton; carton size: 58*37*27cm; gross/net weight: 10/9kgs;