SK 4613 13 Piece 3/8-Inch Drive 6 Point 1/4-Inch to 1-Inch Socket Set 13-piece 3/8-inch drive 6-point standard fractional socket set stands up to harsh working environments Patented SuperKrome finish for durability and maximum corrosion resistance SureGrip hex design drives the side of the fastener, not the corner Includes 1/4-, 5/16-, 3/8-, 7/16-, 1/2-, 9/16-, 5/8-, 11/16-, 3/4-, 13/16-, 7/8-, 15/16-, and 1-inch standard sockets 3/8-inch drive