This pneumatic hammer tool includes a 19-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 Built with a powder-coated aluminum alloy housing and spring system, this air hammer with 4 chisels offers enhanced stability, , - while remaining shockproof, wear-, and - Designed with a responsive trigger and one-button function, this pneumatic hammer is simple to operate with no need to change triggers. And the ergonomic -grip design ensures a comfortable, anti-slip, secure, and fatigue-free grip 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) This air chisel pneumatic hammer is ideal for cutting metal, demolishing concrete walls, removing bolts and nuts, breaking flooring, and removing rust. Compact, , yet powerful, it's your go-to tool for construction sites and repair workshops, Weight: 4.40924524 Pounds, Manufacturer: Prterver