Features The seals are specially designed to ensure that the key parts are durable, and not easy to leak. Mouthpiece is 8mm/0.31in, and made of chromium‑containing stainless steel, which is not easy to break, not easy to rust, and the steel pipe will not loosen. Mouthpiece adopts pointing process, the air outlet is more concentrated and powerful, with large flow and high efficiency. Specially designed for efficient blowing of air, cleaning objects surfaces, very practical. Good ideal for dust cleaning at factory, school, at home or anywhere else with dust. Specification: Item Type: Air Blow Gun Material: Aluminum Alloy + Stainless SteelSize: Approx. 13.5 x 8.7cm/5.31 x 3.43in (Length x Width) Purpose: High Pressure Dust Removal Air Inlet Size: Approx. 1/4in / 0.64cm Mouthpiece: Approx. 8mm/0.31in Package List:1 x Air Blow Gun 1 x Accessory Package List 1 x Air Blow Gun 1 x Accessory