GEARWRENCH chrome bit sockets deliver unprecedented speed, strength, and access to almost any job. Large, hard-stamped markings allow for easy identification and can be easily recognized as SAE (double line) or metric (knurled line). Available in standard, mid, and long bit lengths, the chrome hex bit sockets include the most commonly used sizes. To guarantee a precise fit, the bits are manufactured from S2 steel to the highest tolerances. GEARWRENCH sockets will get the job done.