Features Twin Hammer Design --- Adopting twin hammer impact structure, the air impact wrench can provide you with 850N·m high torsion to meet your needs. Adjustable Torsion --- Supports easy control adjustment, the pneumatic wrench can easily switch among various working modes with high efficiency. Stable Performance --- Alloy steel material can better withstand quick torsion change, and please do apply lubrication oil before use for safety. Better Application --- The air impact gun can be widely applied to assembly and disassembly applications, automotive repair and maintenance, etc. Easy for Operation --- Combining compact body, light weight and anti slip handle, the air wrench tool is very convenient to operate and carry. Specification: Item Type: Air Impact Wrench Material: Alloy Steel Inlet Port: 1/4in Chuck Size: 1/2in Maximum Torsion: 850N·m Gas Consumption: 11L/S Air Pressure: 6.3bar No Load Speed: 8500RPM Package List:1 x Air Impact Wrench1 x Air Inlet Nozzle1 x Hex Wrench Package List 1 x Air Impact Wrench 1 x Air Inlet Nozzle 1 x Hex Wrench