IIT 70460 3/8-Inch Short and Deep Socket Set, 21-Piece IIT 23 Piece 3/8" Drive Metric Standard & Deep Well Socket Set. Blow molded organizer case High quality drop forged chrome vanadium steel. Professional 6-point sockets. Quick release ratchet handle. 1 PC Quick release ratchet handle with 3/8 drive. 11 PC Metric Standard Sockets (mm): 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 19. 6 PC Metric Deep Well Sockets (mm): 10, 11, 12, 13, 15, 19, 1 PC Universal joint.