Heavy Duty Hammer Drill 9150 120mm Professional Handheld Pistol Gas Shovels Air Hammer Small Rust Remover Pneumatic Tools With 4 Chisels ,Power Hammer Drills

- 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, durable.