1/2", with adjustment ratchet head Accuracy: ± 3% tolerance of the set value. Guaranteed for a minimum of 5,000 torque settings. For controlled clockwise tightening. Blocking when tightening counterclockwise - unlimited loosening torque without torque function. Double scale division in Nm and lbf ft for precise setting. Including finely divisible Nm micrometer scale for precise setting. Large viewing window with magnifying glass for Optimized readability, clear audible and tactile torque range due to short-distance release. With robust ratchet mechanism (30 teeth). Square mounting according to DIN 3120 - ISO 1174 with ball lock product identification. Incl. certificate according to DIN EN ISO 6789 - traceable to national standards Acoustics Click Signal Main color black Length 412.0 mm Accuracy / tolerance 3 % Secondary color blue Application counterclockwise, clockwise Type / type Item Version 1/2" Display double scale