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 RPMAverage Air Consumption: 15 CFMWorking Pressure: 6.3-8 kgPiston Diameter: Approx. 19mm/0.75inPiston Stroke: Approx. 45 mm/1.77inRecommended Inner Diameter of Trachea: 3/8inCylinder Diameter: Approx. 39 mm/1.54inShank Hole: Approx. 10 mm/0.39inBlade Length: Approx. 120 mm/4.72inAir Inlet Size: 1/4in150mm Short Barrel:Impact Frequency: 3500 RPMAverage Air Consumption: 15 CFMWorking Pressure: 6.3-8 kgPiston Diameter: Approx. 19 mm/0.75inPiston Stroke: Approx. 65 mm/2.56inRecommended Inner Diameter of Trachea: 3/8inCylinder Diameter: Approx. 39 mm/1.54inShank Hole: Approx. 10 mm/0.39inBlade Length: Approx. 70 mm/2.76inAir Inlet Size: 1/4in250mm Long Barrel:Shock Frequency: 220 RPMAverage Air Consumption: 15 CFMWorking Pressure: 6.3-8 kgPiston Diameter: Approx. 19 mm/0.75inPiston Stroke: Approx. 85 mm/3.35inRecommended Inner Diameter of Trachea: 3/8inCylinder Diameter: Approx. 39 mm/1.54inShank Hole: Approx. 10 mm/0.39inBlade Length: Approx. 175 mm/6.89inAir Inlet Size: 1/4inSuitable For: Car Body Maintenance, Brake Pad Rust RemovalUse for Cutting Metal Panels, Fixing Exhaust Systems, Scraping Surfaces, Chipping, and Making Auto Body RepairsPackage List:1 xAir Hammer4 x Drill1 x Spring1 x Adapter1 x Accessory Diagram1 x Storage Box