*Key Features *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 CFM, Air Pressure: 90 PSI; 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. The ergonomic pistol-grip design ensures a comfortable, anti-slip, secure, and fatigue-free grip. *Comprehensive Accessories: This pneumatic hammer shovel tool comes with 4 replaceable round shank chisels (4.7 in / 120 mm long), 3 air nozzle connectors, and a spring that holds the chisel securely and allows easy replacement. *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 and corrosion resistant. *Multiple Applications: This air chisel pneumatic hammer is ideal for cutting metal, demolishing concrete walls, breaking flooring, and removing bolts and nuts. Compact, lightweight, yet powerful, it's your go-to tool for construction sites and repair workshops. *Specifications Item Model Number: WFH-1040 Stroke Length: 1.57 inch / 40 mm Blow per Minute: 4500 BPM Chisel Shank Diameter: 0.401 inch / 10.18 mm (round shank) Chisel Shank Length: 4.7 inches / 120 mm Average Air Consumption: 11 CFM (No Load) Air Pressure: 90 PSI Power Source: Air Powered Air Inlet: 1/4 NPT Net Weight: 3.4 lbs / 1.52 kg Product Dimensions: 5.7 x 5.8 x 2 inch / 145 x 148 x 50 mm *Package Content 1 x Air Hammer 4 x 4.72 inch / 120 mm Chisels (Round Head) 3 x Air Nozzle Connectors 1 x Spring Retainer