74 Piece Module Ratchet Screwdriver Set Contents:Module tray49-piece box of bits and accessoriesSlotted head bits: 4-4.5-5.5-6.5x2-8 mmPhillips® bits: PH1x2-PH2x3-PH3Pozidriv® bits: PZ1x2-PZ2x3-PZ3x2Torx® bits: T10x2-T15x2-T20x2-T25x2-T30x2ResisTorx® bits: TT10-TT15x2-TT20x2-TT25x2-TT30x2-TT40Hex bits: 2-3x2-4x2-5x2-6x2 mmMagnetic bit holder with locking ringRevolver ratchet bit driver + 7 bits: slotted head: 4-5,5-6 mm, Phillips®: PH1-PH2, Pozidriv®: PZ1-PZ2Set of 9 metric hex keys in sleeve: 1.5-2-2.5-3-4-5-6-8-10 mmSet of 7 Torx® keys in sleeve: T10-T15-T20-T25-T27-T30-T40 mm1/4" bit adaptor for 1/4" sockets