unior chiave dinamometrica a scatto 264 1 4 2 24nm bussole e inserti bit non inclusiDrive: 1 4" Length: 270 mm Stays with reversible ratchet Torque measurement in a single direction, the one indicated on the handle, for tightening right hand threads The wrench works in both clockwise and counterclockwise directions Clear signal when the torque is reached Default value for the recalibration interval is 12 months of use or approximately 5,000 cycles! Compliant with ISO 6789 standard Dual scale: Nm and Kgm