This 77 piece half cut stubby bit set includes 10-piece Torx: T10-T50, 10-piece tamper proof Torx: T8-T50, 10-piece Torx Plus: T8-T50, 10-piece Torx Plus 5 point: T8-T50, 10-piece hex inch: 3/32 inch - 3/8 inch, 10-piece hex metric: 2 millimeter - 10 millimeter, 4-piece Phillips: 0, 1, 2 and 3, 4-piece flat tip: 3, 4.5, 6.5, and 8, 5-piece XZN 12 point: 4, 5, 6, 8 and 10, 1-piece 5/16 inch hex drive adapter, 1 piece 1/4 inch hex extension, 1 piece 5/16 inch hex extension, and 1 piece 5/16 inch bit ratchet wrench.