1、[1/4IN AIR CHISEL KIT] Portable pneumatic shovel kit, with 1/4in air inlet screw, 3000RPM hammering frequency, which is efficient and practical. 2、[MAIN PURPOSES] Applicable to rapid cutting, wall slotting, brake pad cutting, welding slag and rust removal, etc., has a wide range of application. 3、[METAL STRUCTURE] The pneumatic tool is made of alloy steel, with high strength, wear resistance, impact resistance and long service life. 4、[PORTABLE DESIGN] The pneumatic chisel is portable design, comfortable handle and simple button to ensure efficient and stable operation. 5、[SPECIFICATIONS] Equipped with a drill bit and 3 chisels of different shapes, which are suitable for different processing requirements.