Chicago Pneumatic CP7759Q 1/2-Inch Super Duty Carbon Fiber and Composite Impact Most Innovated Tool on the Market with Lightweight Carbon Fiber /Composite Housing 780 feet-Pound max torque, and 1150 feet Pound of "breakaway" torque. Integral muffler for quieter operation Great balance, ergonomic handle, and single-handed side-to-side reverse mechanism for operator comfort and convenience.