Equipped with an in-built angular gauge for easier after tightening Additional ft/lb reference scale (range 30-150 ft/lb) Marked to show the correct place where pressure should be applied Twist locking facility to ensure the set torque is maintained Reversible 24 teeth ratchet (DIN3122) giving 15? increments Designed to torque right hand (clockwise) fasteners Accurate to +/- 4% conforms to ISO6789 for assured accuracy Individually tested and certified at the time of manufacture