Item No.: H45B574

.Material:Cr-Mo,1/2" Driver;
 .Includes:21mm，22mm，24mm，27mm，30mm，32mm
 .1Pc knockout pin;
 .For using with impact guns;
 .Simply place socket on damaged or rounded nuts
 turn with impact gun;
 .The grip on fastener tightens as more torque is applied.