Features Stainless steel metal shell, strong durability, pressure and explosion resistance. Can adapt to most work conditions, simple installation and easy operation. OUTSTANDING PERFORMANCE: This heavy duty air hammer could rapidly chip, shovel, cut of metal, weld slag, tiles or bricks, the cylinder is made of alloy steel which is strengthened, the piston is heat-treated and more resistant to high temperature.The impact frequency of this air tool is very fast, up to 3500BPM, and the power output is stable, smooth and fast. The high-quality and strong spring of the air hammer chisel retainer can alleviate the vibration caused during operation Remove or install rivets and work site equipment, heavy duty servicing of truck bushings, springs, king pins and more. Small size, easy to carry and store, convenient to use and with good performance. Specification: Item Type: Air Hammer Gun  Material: Stainless steel, iron Purpose: Carving to remove burrs Impact Capacity: 1.5J Impact Frequency: 60CZ Inlet Thread: PT1/4in Air Hose Inner Diameter: Approx. 0.95cm / 0.4in Interface G1/4in Working pressure 0-0.65mpa Connector: Japanese connector. Package List: 1 x Air Hammer 1 x Shovel Accessories 1 x Spring 1 x Iron Ring 1 x Connector Package List 1 x Air Hammer 1 x Shovel Accessories 1 x Spring 1 x Iron Ring 1 x Connector