Features: Screwdriver Bit SetMulti-bit screwdriver, the screw bit kit includes bits of multiple sizes, such as Star, TP Star, Clutch, Torq, Spline, TriWing, Square, Spanner, Flat, Cross, Pozi, Hex Bits and Hex Bits TP, etc. Multifunctional screwdriver bits to meet the needs of different scenarios, widely applicable. Portable BoxThe extra long security bit set is kept in the solid blow molding box, which is not easy to lose, and is easy to carry and store. The bit retention system of the box container ensures the safety of the bit, and the labeled bit slots help keep your tools in order, easy to use, high quality and durable, long service life. Excellent MaterialScrewdriver bit case, made of premium chrome vanadium steel, the extra long screwdriver bit is sturdy, not easy to break or bend. Magnetic extended bit holder can reduce stripping and wobbling, will help you do the maintenance work efficiently. More ProfessionalScrewdriver bit is applicable to construction industry manufacturing industry auto repair industry home maintenance industry etc, a full range of types, can cope with a variety of different screws, easy to use, with a plastic storage box, great for organizing bulk bits, long screwdriver bit. Specifications: Item Type: Screwdriver Bit Set Material: CR-V+ABS Quantity: 50pcs Shank Extension:60mm Bit Length:75mm Shank Size:1/4 Package List: 1 x Screwdriver Bit Set (50pcs) 1 x Plastic Box