Durable Material: The heavy duty air duster gun is made of plastic and thermoplastic polyurethane elastomer rubber, with thick tubing, good flexibility and bending resistance. It has good oil resistance, pressure resistance, and wear resistance. Special Nozzle Design: The air duster blow gun features a 120mm steel nozzle. The sl nozzle design allows for quick spraying. With the help of narrow nozzle space and air pressure, it can reach into deep holes and narrow slits, accessing hard-to-reach areas. Working Pressure: This air dust blow gun performs effectively 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 include bronze ball shut-off valves. The product size is measured manually, and there may be a 2mm error due to differences in measurement tools and methods. Comfortable Grip: Ergonomic pistol grip design. The heavy duty air duster gun has a rubber handle that provides a comfortable grip and is easy to use, enabling quick dust removal. Scope of Application: The heavy duty air duster is suitable for dust removal on various machines and for blowing, cooling, and drying equipment in garages, workshops, and industrial settings. It is a practical tool for auto mechanics, construction workers, spray painters, and DIY enthusiasts.