Powerful & Efficient: This air hammer delivers 4500 BPM high-frequency strikes and a 1.57-inch stroke for strong impact force, efficiently cutting metal, breaking concrete walls, removing bolts and more processing tasks. (AVG. Air Consumption: 11.5 CFM, Air Pressure: 90PSI ; Air Inlet: 1/4 NPT) Easy to Use: Designed with a responsive trigger and one-button start function, this pneumatic hammer is simple to operate with no need to change triggers. And the ergonomic pistol-grip design ensures a comfortable, anti-slip, secure, and fatigue-free grip Comprehensive Accessories: This pneumatic hammer tool includes a 19-needle air scaler for efficient rust removal, achieving a cleaner, smoother metal surfaces. Also comes with 4pcs round shank chisels ( 4.7 inch / 120 mm long), 3 air nozzle connectors, and a spring for secure chisel attachment Premium Material: Built with a powder-coated aluminum alloy housing and active air spring system, this air hammer with 4 chisels offers enhanced stability, precision, and vibration reduction — while remaining shockproof, wear-resistant, and corrosion-resistant Multiple Applications: This air chisel pneumatic hammer is ideal for cutting metal, demolishing concrete walls, removing bolts and nuts, breaking flooring, and removing rust. Compact, lightweight, yet powerful, it's your go-to tool for construction sites and repair workshops