13-piece 3/8-inch drive fractional deep socket set includes sizes ranging from 1/4 to 1. Manufactured from heat-treated chrome vanadium steel. Packaged on socket rail. All sockets are 12-point. Features and Benefits: * Chrome vanadium steel, heat treated * Packaged on a metal rail Includes sizes: 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.