A set of 55 screwdrivers Contains: 21 Pieces Screwdriver bits 6.35x25 mm T10 T15 T20 T25 T30 T40 H3 H4 H5 H6 20Pcs; SL4 SL5 SL6 PH1 PH2 PH2 PH3 PZ1 PZ2 PZ3 Precision screwdriver bits 4X28mm： PH000 PH00 PH0 PH1 T6 T7 T8 T9 T10 T15 T20 H1.5 H2.0 H2.5 H3.0 H4.0 SL1.5 SL2 SL2.5 SL3 PH000 PH00 PH0 One Piece 25 mm (4–6 mm) bits adapter Nine Pieces 1/4" X 20.5mm socket: 4 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm One Piece Bits holder 4X60 mm One Piece Bits holder 6.35x50 mm One Piece Stylish ratchet handle design One piece with a distinctive design handle enclosed in a plastic box