Mac Tools 1/2” Deep Impact Socket -3/8” Drive - 6-Point - XDP166R -Mac-Drive design contacts flats of the fastener instead of corners—helps to remove fasteners with rounded edges, and prevent rounded edges from forming. Deep socket end for extra clearance Made from high-grade forged alloy steel for maximum strength without additional weight Black oxide finish. Specially manufactured to extra-hard tolerances for increased durability required for use with today’s high-torque impact tools. Made in the U.S.A.