Feature:1. Air Needle Rust Remover: The pneumatic rust remover features 19 steel needles design, to help you easily remove stubborn rust, paint, and welding slag. Adopting alloy steel needles, sturdy and practical.2. High Work Efficiency: The pneumatic rust remover adopts reciprocating impact working, with an impact frequency of 5500bpm and a stroke of 35mm, greatly improving cleaning efficiency.3. Efficient and Reliable: The front exhaust design reduces noise levels and can blow away debris while removing rust, making this air needle cleaner an efficient and reliable rust removal solution.4. Secure and Convenient: The aluminum alloy shell is lightweight, with ergonomic design, spring grip, comfortable and convenient, less vibration, not easy to loosen, so you can use it with confidence.5. Wide Application: This 19 needle air cleaner is suitable for removing rust, welding slag, paint, and other debris, suitable for automobiles, ships, trains, containers and other metal processing industries.Specification:Item Type: Air Rust RemoverMaterial: Alloy Steel, Aluminum AlloyNeedle Quantity: 19 NeedlesImpact Frequency: 5500bpmPiston Diameter: Approx. 22mm / 0.87inStroke: Approx. 35mm / 1.38inAir Inlet: 1/4 InchProduct Size: Approx. 320 x 195mm / 12.6 x 7.7inApplication: For automotive, shipbuilding, railway, bodywork, container, steel structure, ironware and other metal processing industries for rust removal, slag removal, weld stain removal, debris removal, paint residue removal, etc..Package List:1 x Air Rust Remover1 x Interface1 x Wrench