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.