Facom n j 1300f2 38quot aluminium mini air impact wrench is lightweight and fast for high productivity there is a rugged durable twin rocking dog mechanism encased in a strong aluminium housing and a durable protective rubber ring your safety is looked after by the socket ring retainer and great control is provided by a feather teasing trigger for optimal speed regulation there is an easy turning knob to adjust power and a practical one hand forwardreverse rod it is the ideal tool for wo