The first electric wheel gun to be officially used in a motorsport world championship, is now available to the market. The cordless Paoli impact wrench with highest power density has been equipped with an electric system for MONITORING THE NUT TIGHTENING. On top of highlighting errors during nut installation, the TORQUE INDICATOR SYSTEM allows to have a more consistent value of torque during tightening, leading to OPTIMISED TYRE CHANGING TIMES during pit stops. Performance can be further refined with a tailored CALIBRATION FOR EACH VEHICLE, HUB AND SOCKET UTILISED.