120mm Professional Pneumatic Concrete Breaker Handheld Pistol Gas Shovels Air Hammer Small Rust Remover Pneumatic Tools With 4 Chisels Jack Hammer Chisel ,Efficient and Reliable

- Alloyed-steel barrel and heat-treated piston. - Built-in power regulator and trigger control. - Coil spring retainer for fast-and-easy chisel changes. - Pistol Type design, hand-held operation flexible and convenient. - High-performance motor, .