"CRAFTSMAN" EASY TO READ METRIC SOCKET *15MM *12 point deep *3/8" drive *Laser etched size marking makes it easy to locate the right socket for the job *Great for working in low lit or greasy environments *Permanent marking resists chipping, fading and corroding *Headlock grip gives more contact on the flats of the fastener for more turning force *Nickel chrome plated *Discovery ACC, CON, NBR, SUP, EXP