Size - Our air blow gun measures 10.23 inches in length, 4.25 inches in air duct length, and 0.24 inches in air duct diameter. Maximum working pressure is 120 PSI. Thread size is: 1/4inch NPT. Material - The body of this air nozzle style blowgun is made of engineering plastic (POM) and the air tube is made of metal with universal chrome plated 1/4inch NPT male threads and metal angled nozzle. Overall strong, rigid, air leak proof and long life. Feature - Curved air flow nozzles provide greater flexibility in hard-to-reach areas. Prevents damage to objects or surfaces when reaching deep, narrow and blind areas that need to be cleaned. You't need to prepare the 1/4inch NPT air plug, we have already prepared it for you in the package. Application - This dust blower gun for compressors can be used to blow away dust, water, powder, debris and all kinds of industrial or household cleaning, blowing operations, automotive use. Widely used for washing or cleaning out of reach. Note - Check that the air plug is tightened before use. Colour: Black Material: Plastic Package Contents: 8* Air Blow-Gun