3/4" Impact Wrench Design upgrade to 1600-TH with maximum torque increased from 1200 ft-lb to 1400 ft-lb . Loosening torque increased from 1400 ft-lb to 1600 ft-lb . Composite housing reduces weight . Hard hitting twin hammer mechanism delivers maximum power . Patented “silencing technology” reduces the noise level to 86 dBa . The grip has been ergonomically designed to perfectly fit the hand-providing unmatched comfort for the user . Combined reverse & power management switch provides control . Triple heat treated Ni-Cr-Mo alloy steel hammer mechanism parts and anvil, provide ultimate reliability . Specifications: Free Speed(RPM)- 4,500, Bolt Capacity – 7/8”, Square Drive – 3/4”, Impact per Min. – 1100, Max Torque ft-lb@90psi – 1400, Weight (lbs) 8 1/8”, Length (in) – 9 1/4”, & Air Cons(CFM) 10 1600-TH-A