For repairs of small trucks, transporters and tractors. With 3/4" square drive (19mm). Ratchet mechanism with reversing lever for clockwise and anticlockwise rotation. Sturdy steel shaft with rust-protective finish: double nickel and subsequent mattfinished chrome-plating. Piece by piece calibration and final inspection (including test certificate). Tolerance according to ISO 6789: +/- 3%. Clearly legible analogue display with additional micro-scale for fine adjustment. Total length 820mm. Packaged in a practical plastic storage box.