Teng Tools 21MM 1/2 Inch Drive DIN 6 Point Metric Short Reach Stubby Chrome Molybdenum Impact Socket | Low Profile | Mechanic Tool | Hand Tool - 920721-C

[ EXTRA STRONG ] The impact socket is made from heavy duty chrome molybdenum (CR-MO) steel for exceptional strength and flexibility. [ LASTS FOR YEARS ] Black phosphate finish for maximum protection and durability. [ GREAT GRIP ] 6 point high torque design grips flat sides of a fastener, not corners, preventing round-off. [ INSTANT IDENTIFICATION ] The impact socket features roll stamped markings to ensure permanent and instant socket identification. [ SAFE TO USE ] Designed for use with a locking pin and ring to increase safety when working with pneumatic tools. Length: 1.1 inches. Weight: 2.9 ounces.