*5 Steps adjustable power regulator.*The pneumatic motor with high effect designed, low consumption and high torque output.*Spherulitic iron cylinder with heat treatment and high hardness, durable and long lifespan, torque, and  output steadily.*High strength hammer mechanism. *Two-piece

*5 Steps adjustable power regulator.*The pneumatic motor with high effect designed, low consumption and high torque output.*Spherulitic iron cylinder with heat treatment and high hardness, durable and long lifespan, torque, and  output steadily.*High strength hammer mechanism. *Two-piece construction for easy maintain.*Handle exhaust, low noise, meanwhile avoid the dust resilience.* Std. Bolt Cap.: 9/16" (14mm)* Impact Mechanism: Twin Hammer * Working Torque Range: 25-400 ft-lbs (34-540 Nm)* Max. Torque: 555 ft-lbs (759 Nm)* Free Speed: 8,000 rpm* Air Consumption @ load: 7.1 cfm (200 L/min)* Length: 235 mm* Weight: 2.7 kg* Air pressure: 90 psi (6.2 bar)* Air Inlet: 1/4"* Min. Hose Size: 3/8" (9.5 mm)