Torque wrench 1/2 inch 20-100 Nm scale division 0.5 Nm PROMAT: automatically releasing, made of powder-coated, sturdy steel tube for controlled right and left tightening with integrated ratchet function. The bending mechanism with sliding roller ensures a noticeable and audible release signal. Easy direction change (simply push the square drive through the ratchet). Clearly readable dual scale (N.m/lbf.ft.) under a viewing window with magnifying effect. Adjusted for a release accuracy of ± 3% tolerance from the set scale value. Delivered with operating instructions and traceable test certificate according to DIN EN ISO 6789-2:2017. Additional technical features: Certificate: Yes, testing required: Yes.