Input Drive Size: 3/8" Drive Shape: Square Type: Socket Set Includes: Don't need complete set?Click here to buy items individually 3400M 6 Point Sockets 5.5, 7, 8, 10, 11, 12 3405M 12 Point Sockets 13, 14, 17, 19, 22 3753P: Ratchet 3760-75: Extension Handle (75mm) 3760-125: Extension Handle (125mm) 3770: Universal Join 3/8 Sq. Dr. Socket set 6, 12 point 15 pieces