Features 1、7mm High strength pipe, which is not easy to break, not easy to rust, not easy to loose and pull out. 2、More concentrated gas, more powerful for high efficiency dust blowing and removing, easy to use. 3、Rubber cap is added to prevent scratching the workpiece, reasonable design and provide better protection. 4、High pressure resistant plastic steel + stainless steel material, oil resistance, wear resistance, aging resistance, and self lubrication. 5、Seals part with special process treatment can ensure the maximum durability of the key parts and without air leakage. Specification Item Type: Pneumatic Air Duster Material: Plastic Steel + Stainless Steel Model: AR - 30 Purpose: High pressure dust removal Inlet size: 1/4 (inch) Pipe Diameter: Approx. 7mm / 0.3in Package List 1 x Pneumatic Air Duster