Kobalt 11-Piece Metric 3/8-in Drive Set 6-Point Impact Socket Set

3/8-In drive impact socket set contains metric sizes: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 and 21 mm. 6-Point design helps to reduce risk of slippage and rounding. Constructed of chrome vanadium steel and heat treated for strength and durability. Durable black-oxide finish. Size callouts are laser etched. Meets or exceeds ASME specifications. Hassle-free lifetime guarantee.