I know 18pcs S2 Screwdriver Bits Set Hex Shank with Philips Slot Hexagon Torx Bit for Quick Change With Magnetic Ratchet Wrench

Size Details: Wrench length: 11.1cm Screwdriverlength: 30mm Hex shank: 6.35mm Slotted: 4.6mm

Features: 1.An essential tool for home or industrial using. 2.Screwdriver bits are made of S2 steel, their specification are marked on one side, different colors can help you choose conveniently. 3.Wrench is made of ABS and S2 steel, the hex hole size is 6.35mm(1/4"), with magnetic. 4.Also with a roller lock, can help you lock the screwdriver bits tightly when you install the bit, and you can release the bit quickly. 5.18 different screwdriver bits: --Phillips: PH0, PH1, PH2, PH3,PH4,PH6. --Hex head: H2,H2.5,H3,H4,H5,H6. --Torx head: T10, T15, T20, T25, T30, T40.