The ergonomically designed device is durable, well-priced and provides a release accuracy tolerance of ± of the scale value in the direction of actuation. It offers fine scale graduation precision and is indispensable in relation to torque controlled screw tightening. It is supplied with a serial number and certificate and complies to DIN EN ISO 6789:2003 (D) standards. The square meets DIN 3120 A and ISO 1174-1 A standards.
The device has a safe torque release which is palpable (close gap release) and audible ("click" sound). Turning the handle will provide quick and safe adjustment of the torque value. A user-friendly reversible ratchet is included for this service-friendly device, and do-it-yourself repait kits can be supplied for the ratchets. The integrated shift lever has a free-running function which decreases the possibility of malfunction or injury. The handle can be safety-locked by way of the rotary assembly to ensure there is no risk of jamming.