The IPW-400P is an air oil pulse pistol driver.  This is a light weight compact unit with a low vibration steel handle and motor housing.  This unit is ideal for hard joint assembly applications that require accurate torque settings.  The forward/reverse lever is located on top of the unit to start the wrench the user simply applies a light pressure on trigger. 

Features:

• Trigger start
• Excellent combination of power and ergonomic features
• Twin Hammer impach system
• Low noise, low vibration and high torque
• Reverse/forward switch 
• CE Certified
• Adjustble Torque

Specifications:

• Torque range (ft-lb): 22.2 - 40.7
• Torque range (N-M): 30 - 55
• R.P.M.: 5800
• Length: 7 5/16 in (186mm)
• Air Inlet Thread: ¼ in
• Air House: 3/8
• Weight: 4.07 lb (1.85 kg ) 
• Air Pressure: 90 psi (6.3 kg/cm2)
• Air Consumption: 20.4 CFM (.58 m3/min)
• Driver: 1/2"
• Bolt Size: 3/8 - 1/2 in (M10 - M 12)