Chicago pneumatic torque wrenches are designed for long-lasting accuracy up to 25,000 cycles at 4% according to the ISO 6789 – 1 : 2017. To ensure robustness, the fixed pear head ratchet has a 54 teeth mechanism for 6.6° increments. A non-intrusive audible signal is made when the torque is reached. Each torque wrench is delivered with a protective blow-moulded case with ISO 6789 calibration certificate. The head ratchet is built with socket locking and quick release system. The CP89 series is composed of 6 models from ¼’’ to 1’’, from 5 Nm to 1,000 Nm / 50 inch pound to 750 ft.lbs.
