"High performance alloy steel with state-of-the-art heat treating process, precision quench and temper","Strength, wear resistance and long lasting durability","Tightly controlled manufacturing processes","Opti-Torque system applies torque to the fastener sides reducing corner round off","150 degree chamfer on the socket drive end for better grab, constant pressure and easier use","High Visibility size markings to quickly identify sockets 1/4" DRIVE 6MM METRIC 6 POINT ADV DEEP UNIVERSAL IMPACT SOCKET ADUP6M6V | Matco Tools