Electronic torque adapter to convert your ratchet in torque wrench. Touch & sound signals on reaching preset torque. * Accuracy: +/- 4% * Adjustment unit: Kg-cm, kg-m, inlb, ft-lb, N-m Article: JMP Electronic Torque Adapter 27-135NM 3/8'' Article: JMP Electronic Torque Adapter 27-135NM 3/8''