Force 5mm x 1/2" Drive Hex Impact Socket Engineered for everyday trade use, this single 5mm x 1/2" drive metric hex impact socket will be right at home on the jobsite or in the workshop. Made from tough and durable Chrome Molybdenum steel with a black phosphate finish for extra corrosion resistance, this socket is suitable for use with impact wrenches and breaker bars. Perfect for the odd job or for replacing missing sizes in your collections.