Description This 42-Piece security screwdriver bits set contains a wide variety of driver tips with a quick change holder for almost any project. Features Includes Phillips, Pozi, Slotted, Hex, Torx, Torx(Tamperproof) Bits,25mm Adaptor and Quick Release Bit Holder Chromium-vanadium steel for maximum strength and durability. Belt clip design for easy bit access. Durable storage case keeps bits secure and organised. Professional 42pcs Screwdriver Bit Set is family essential tools. Specifications Brand: MasterSpec Model: MS071 Material: CR-V Quantity: 42PCS Quick Release Bit Holder: Yes Package Content 36 x 25mm Screwdriver Bit:screwdriver Phillips: (#1,#2,#3) x 3 Pozi: (#1,#2,#3) x 2 Slotted: 4mm x 2,5mm,6mm Hex: 3mm,4mm,5mm Torx: T10,T15,T20,T25,T27,T30,T40 Torx(Tamperproof): T10,T15,T20,T25,T27,T30,T40 4 x 70mm Screwdriver Bit: Phillips: #2,Pozi:#2,Torx:T25, Sl:6mm 1 x 25mm Adaptor 1 x Quick Release Bit Holder