Powerful air flow,new design inner supercharging construction and tapered air flow nozzle for high volume powerful blow-off. | All metal construction, high pressure resistance copper alloy accessories (valve screw,nozzle,quick coupling),anti-break silver chromed zinc alloy gun body ,improved designed sealing components,all these make a reliable and durable industrial air blow gun. | Adjustable Air Flow Nozzle allow you to control air flow as required,2 other steel&copper air flow extension with protective tip,easy to reach tight areas and make sure the safety of delicate or sensitive areas. | Widely use for blowing dust, water, powder, debris and various industrial or household cleanup and blow-off operations. | Metal Hanging Hook, easy to use and convenient for placing and storage.