having an electrical device activated by the pivotal or rotational movement which emits a signal when the selected torque is exceeded

Full Title

Details of, or accessories for, spanners, wrenches, screwdrivers > Arrangement of torque limiters or torque indicators in wrenches or screwdrivers > specially adapted for hand operated wrenches or screwdrivers > wherein the work-contacting component pivots or rotates relative to the handle when a selected torque is exceeded > having an electrical device activated by the pivotal or rotational movement which emits a signal when the selected torque is exceeded