TEKTON 11651 17-Pc. 1/2" Drive Pro Socket Set (SAE) features: Professional grade drop forged chrome vanadium steel construction, tapered 6-point socket ends for easy access to nuts and bolts, notches in sockets lock onto ratchets or extensions, meets or exceeds ANSI specifications, complete with organization and storage case, spring loaded ball bearing locks sockets securely onto ratchet or extensions, 1-pc. 1/2"-Dr. x 10" reversible ratchet handle with built-in speed disc, 1-pc. 5" extension bar, 1-pc. 14" flex breaker bar, 13-pc. 1/2"-Dr. 6-point sockets: 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1, 1-1/16, 1-1/8, 1-1/4", 1-pc. Molded plastic case.