Contents: Pass-Thru® Handle; Pass-Thru® Sockets (4, 5, 6, 7, 8, 9, 10, 11 and 12 mm); bits (4, 5.5 and 7 mm slotted; #1, #2 and #3 Phillips, 3, 4 and 5 mm hex; T-10, T-15 and T-20 Torx®) and a bit adapter. Product Features: Hollow-head ratchet and sockets allow long bolts and threaded rod to Pass-Thru®, eliminating the need for deep sockets. Unique handle configuration can also be used as a compact 1/4" drive ratcheting bit driver Over height is reduced by as much as 50%, width by 20%