Provides 550 ft-lb maximum torque Low weight composite housing reduces weight to 2.5 lbs. Reliable jumbo hammer mechanism delivers maximum power, while increasing reliability Patented Silencing Technology reduces the noise level to 85 dBA Patented grip has been ergonomically designed to perfectly fit the hand, providing unmatched comfort for the user Newly patented trigger mounted combined reverse and power management switch provides ultimate control and one-hand operation Provides ultimate reliability with the triple heat treated alloy steel hammer mechanism parts and anvil