Includes: 1 Midget Ratchet, 1 Extension, 1 Screw Driver Handle, 12 Allen Hex Type Adapters (.050, 5/64, 7/64, 9/64, 3/16, 1/4, 1/16, 3/32, 1/8, 5/32, 7/32, 5/16"), 3 Slotted Head Adapters (3/16, 1/4, 3/8"), 2 Phillips Head Adapters (#1, #2), 1 pc. 1/4" Square Drive Adapter, 7 Metric Allen Hex Type Adapters: (1.5mm, 2.0mm, 2,5mm, 3.0mm, 4.0mm, 5.0mm, 6.0mm. Size indicates distance across flats), Polyethylene case 5-1/2" x 7-3/4"