Features: 🔧【Screwdriver Bit Set】Multi-bit screwdriver set includes bits in multiple sizes, such as star, TP star, clutch, Torq, Spline, TriWing, square, wrench, flat, cross, Pozi, Hex bits and Hex bits TP, etc. Multi-functional screwdriver bits to meet the needs of different scenarios, widely applicable. 🔨【Portable Box】The extra-long security bit set is stored in the solid blow-molded box, which is not easy to lose, and is easy to carry and store. The bit holder system in the box ensures the safety of the bit, and the marked bit locations help keep your tools in order, easy to use, high quality and durable, long service life. 🔧【Excellent Material】Screwdriver 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 Professional】The screwdriver bit is applicable to the construction industry, manufacturing industry, auto repair industry, home maintenance industry, etc., a complete range of types, can handle a variety of screws, easy to use, with a plastic storage box, perfect for organizing bulk bits, long screwdriver bits. Specifications: Item Type: Screwdriver Bit Set Material: CR-V+ABS Quantity: 50 pcs Shank Extension: 60 mm Bit Length: 75 mm Shank Size: 1/4 Package List: 1 x Screwdriver Bit Set (50 pcs) 1 x Plastic Box