Features: 1.Multi Bit Set: The kit includes multi sizes bits, such as Star, TP Star, Clutch, Torq, Spline, Tri?Wing, Square, Spanner, Flat, Cross, Pozi, Hex Bits and Hex Bits TP, etc. 2.High Efficiency: Magnetic extended bit holder can reduce stripping and wobbling, will help you do the maintenance work efficiently. 3.Portable Box: The 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. 4.Easy Access: Case container bit retention system ensures the safety of the bit, and the labeled bit slots help keep your tools in order. 5.High Strength CR?V: Made of premium chromium vanadium steel material, extra long screwdriver bit is rugged, not easy to break or bend. Specification: Item Type: Screwdriver Bit Set_x000D_ Material: CR-V+ABS_x000D_ Quantity: 50 pieces