General description This Mophorn Pneumatic Air Hammer delivers powerful performance with 4500 BPM high-frequency strikes and a 1.57-inch stroke, making it ideal for cutting metal, breaking concrete walls, chiseling floors, and removing bolts. It includes a rust removal air needle scaler, four chisels, and features a convenient one-button start and ergonomic handle for comfortable use. Technical specifications Item Model Number: WFH-1046 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 inch / 120 mm Average Air Consumption: 11.5 CFM (No Load) Operating Pressure: 90 PSI Power Source: Air Powered Air Inlet: 1/4 NPT Net Weight: 5.5 lbs / 2.5 kg Product Dimensions: 5.7 x 5.8 x 2 inch / 145 x 148 x 50 mm Compatibility and accessories 4 x 4.7 inch / 120 mm Chisels (Round Head) 1 x Rust Removal Needle Scaler 3 x Air Nozzle Connectors 1 x Spring Retainer 1 x Hex Wrench Installation This air hammer set