Feature: 1. Multifunctional: The air hammer kit is best for fixing exhaust systems, front end jobs, general bolt cutting, pin driving, and auto body shearing work. 2. Multi Drill: Equipped with air pump joint elastic spring, pointed, flat, dovetail, concave shape drill, making brake pad rust removal more convenient and efficient. 3. User Friendly Design: The power tool offers shock reduction, an anti slip hand grip, and a swivel air inlet that prevents hose twisting during use. 4. Long Lasting: This long lasting air hammer will withstand tough environments, repeated drops, and exposure to harsh chemicals. 5. Wide Application: The air hammer kit can be used for cutting metal panels, fixing exhaust systems, scraping surfaces, chipping, and making auto body repairs. Specification: Item Type: Air Hammer Kit.Material: Metal alloy150mm Short Barrel:Impact Frequency: 4500 RPM Average Air Consumption: 15 CFM Working Pressure: 6.3-8 kg Piston Diameter: Approx. 19mm/0.75in Piston Stroke: Approx. 45 mm/1.77in Recommended Inner Diameter of Trachea: 3/8in Cylinder Diameter: Approx. 39 mm/1.54in Shank Hole: Approx. 10 mm/0.39in Blade Length: Approx. 120 mm/4.72in Air Inlet Size: 1/4in 150mm Short Barrel: Impact Frequency: 3500 RPM Average Air Consumption: 15 CFM Working Pressure: 6.3-8 kg Piston Diameter: Approx. 19 mm/0.75in Piston Stroke: Approx. 65 mm/2.56in Recommended Inner Diameter of Trachea: 3/8in Cylinder Diameter: Approx. 39 mm/1.54in Shank Hole: Approx. 10 mm/0.39in Blade Length: Approx. 70 mm/2.76in Air Inlet Size: 1/4in 250mm Long Barrel: Shock Frequency: 220 RPM Average Air Consumption: 15 CFM Working Pressure: 6.3-8 kg Piston Diameter: Approx. 19 mm/0.75in Piston Stroke: Approx. 85 mm/3.35in Recommended Inner Diameter of Trachea: 3/8in Cylinder Diameter: Approx. 39 mm/1.54in Shank Hole: Approx. 10 mm/0.39in Blade Length: Approx. 175 mm/6.89in Air Inlet Size: 1/4in Suitable For: Car Body Maintenance, Brake Pad Rust Removal Use for Cutting Metal Panels, Fixing Exhaust Systems, Scraping Surfaces, Chipping, and Making Auto Body Repairs Package List: 1 x Air Hammer4 x Drill1 x Spring1 x Adapter1 x Accessory Diagram1 x Storage Box