ATD Tools 13782 Triple Square Spline Bit Socket Set, 10 pc.

(10) Triple Square Spline Bit Sockets: M4 1/4″ Drive (ATD-232) M5 1/4″ Drive (ATD-233) M6 1/4″ Drive (ATD-234) M8 3/8″ Drive (ATD-235) M9 3/8″ Drive (ATD-236) M10 3/8″ Drive (ATD-237) M12 3/8″ Drive (ATD-238) M14 3/8″ Drive Tamperproof (ATD-239) M16 1/2″ Drive Tamperproof (ATD-241) M18 1/2″ Drive Tamperproof (ATD-242) Includes triple square spline bit sockets Bits are made from S2 steel to meet or exceed torque specifications Sockets are made from heat treated chrome vanadium steel for strength & durability