Durable Material: The heavy duty air duster gun is made of plastic and thermoplastic polyurethane elastomer rubber, with thick management, good flexibility and bending resistance. It has good oil resistance, pressure resistance, explosion-proof, and good wear resistance.Special Nozzle Design: The air duster blow gun adopts 120mm steel nozzle. The slender nozzle design can spray quickly. With the help of narrow nozzle space and air pressure, it can be injected into deep holes and narrow slits and enter difficult-to-reach areas.Working Pressure: The effect of this air dust blow gun is pretty well, with a working pressure of 1.0Mpa. The hose and spray gun are equipped with quick rotary joints, and the air inlet size is 4*6mm. T-shaped quick couplings have bronze ball shut-off valves.The product size is measured manually, and there will be a 2mm error due to factors such as different measurement tools and measurement methods.Comfortable Grip: Ergonomic and pistol grip design. Heavy duty air duster gun with a rubber handle, it is comfortable to grip and easy to use, and can quickly remove dust.Scope of Application: Heavy duty air duster is suitable for dust removal of various machines in the blowing, cooling and drying equipment of garages, workshops, and industrial enterprises. It is a handy tool for auto mechanics, construction workers, spray painters and diy.