For use in almost all industrial manufacturing areas. For controlled nut and bolt tightening. Features: Adjustable torque wrench with a square drive and integrated ratchet head function. For controlled bi-directional tightening. Interchangeable mushroom head square drive with a ball-locking mechanism as per DIN 3120. In accordance with DIN EN ISO 6789, traceable to national norms. Actuation accuracy: +/- 3% tolerance of the scale set to torque. Lever breaking mechanism with a castor guarantees tactile impulse and audible actuation signals. Double scale Nm and lbf.ft behind the window with a magnifying effect. Black plastic handgrip with a slip-resistant ribbed surface. Sturdy, varnished tubular steel construction, with zinc-plated ratchet head and top-grade plastic parts. Additional micrometer scale with an Nm graduation of 0.1, 0.25, 0.5, or 1Nm. Supplied with a calibration certificate. Unique serial number for traceability.