the torque wrench or spanners are the instrument, which are widely used to remove the nuts from the bolts.  torque wrench helps in setting torque required. the nut remover is most widely used in automobile area.  removing a wheel and replacing with other one requires wrench or spanner. this spanner can be used to remove or tighten the nuts from bolts of the wheel. but this spanner can remove only one nut at a time. in case of emergency like puncture of ambulance tyre, it will be time consuming to remove nuts one by one. in those cases, multi nut remover will be more useful. the torque, which is needed to apply to remove one nut, can be used to remove all nuts using gear arrangement. this will reduce time consumed in replacing the wheel.