4-piece Click-Torque torque wrench set with three self-setting exchangeable Joker insert spanners. For the proper tightening of screw connections when installing and repairing refrigeration and air conditioning systems as well as heat pumps. Click torque wrench in the distinctive Wera design. Very robust design with high accuracy as per DIN EN ISO 6789-1:2017-07. Easy setting and saving of the default value. The audible and tactile clicks on reaching the scale values facilitate the safe setting of the desired torque value. The robust release mechanism guarantees a clearly audible and tactile release signal when the set torque value is reached. For clockwise and anti-clockwise torque-control and with 14x18 mm square head insert for mounting corresponding insert tools. With its continuous and parallel jaws, the three self-setting Joker 7880 insert spanners replace several single spanner sizes. The required size is automatically and continuously set when attaching the tool to the hexagon bolt or screw. The ratchet feature ensures fast and consistent screwdriving without removing the tool. By using the corner-width rectangular prisms, a return angle of only 30° can be achieved.