Specification: NPT: 1/4" national pipe thread air inlet. Max working pressure: 174psi (12bar). Clear internal threads for easy installation. Versatile Blow Gun: Blow gun air tool delivers exceptional air flow, easily blow away dust, powder, debris, liquid or swarf during manufacture or assembly. Suitable for garages, factories, stores, industrial facilities and widely used to clean narrow gaps, heights, trachea and machine parts, etc. Detachable Air Blow Gun: The standard safety nozzle can be removed according to your actual needs. You can easily replace the standard safety nozzle with long reach nozzle to get to hard to reach areas. Long reach nozzle is not included! Easy to clean and store, bring you more convenience. Premium Material: Air nozzle blow gun is made of high-quality Zinc Alloy, solid metal structure and delicate work, sturdy and durable, not easy to rust or damage. Easy to Use: Simply press thumb-controlled trigger to vent gas and gently loosen to close the air nozzle blow gun; Super easy to control and can achieve precise air control.