250mm Pneumatic Pistol Gas Shovels Hammer Handheld Rust Burrs Welds Paint Scrap Removing ToolsEU Condition: Item Type: Pneumatic Shovels Material: Alloy Color: As picture shown Stroke: Approx. 92mm/3.6in Strike Frequency: 3500 times per minute Standard air inlet Auto Repair/Home/ Industrial Multifunction: Shovel: Remove concrete, wall, rock brake pads, etc. Hammer: Perforating and breaking hammer tire patch for concrete, wall, rock, etc. Chisel: Auto repair sheet metal, knock welding seam to remove welding slag, riveting aluminum alloy doors and window for large and medium-sized castings to remove burrs Suitable for removal of welding slag, brake blades, fast cutting, wall grooving, filling cement plants Air Shovel Installation: 1. Put the shovel head together with the spring, and then put the shovel handle into the head of the air shovel; 2. Screw on the spring and tighten it as far as possible to tighten the head of the air shovel; 3. Push down the air shovel to the inside of the head so that it can work.