The facom ns1010f2 12quot aluminium air impact wrench is powerful durable and rugged it has a twin hammer mechanism encased in a strong aluminium housing along with a practical forwardreverse switch with an integrated regulator and 5 forward positions there is an insulating comfortable rubber grip and a feather teasing trigger for optimal speed regulation your safety is looked after by the socket ring retainer it is ideal for use in passenger vehicle tire changing mechanical works or