TEKTON 1806 3/8" Drive Socket Set, 3/8"-13/16", SAE, Cr-V, 8 Sockets Drop forged, heat-treated chrome vanadium steel construction with a corrosion-resistant chrome plated finish Notched end locks onto ratchet or extension Tapered-end, 6-point sockets for exact fit Set Includes: (8) 3/8-Inch Drive Sockets (SAE): 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, and 13/16-Inch Lifetime replacement guarantee