This professional heavy duty air powered 1 drive impact wrench is ideal for working on large commercial vehicles. It has a powerful rocking dog impact mechanism a second side handle for easier operation and its long 720mm anvil gives better access on- Drive Type 1 square- Impact mechanism: Rocking dog- 3 forward & 3 reverse speeds- Bolt Capacity: 38mm- Maximum speed: 3500rpm (+/-10%)- Connector: BSP- Maximum air pressure: 9.8bar- Average Air Consumption: 10cfm- RecommenPTDCLA3120168