1. Multi-bit screwdriver, the screwdriver head set contains bits of various sizes, such as star, TP star, clutch, Torq, Spline, TriWing, square, wrench, flat, cross, Pozi, hexagonal and hexagonal TP, etc. Multi-function screwdriver heads can meet the needs of different scenarios and have a wide range of applications.2. The extra-long safety drill bit set is stored in a sturdy blow-molded box, which is not easy to lose and is easy to carry and store.3.Box-type container drill bit retention system ensures drill bits are safe, and the marked drill bit slots help keep tools organized, easy to use, high quality and durable, long service life. 4. Screwdriver bit set, made of high-quality chrome-vanadium steel, the extra-long screwdriver bits are sturdy and not easy to break or bend.5. The magnetic extended drill bit holder can reduce stripping and shaking, helping you complete maintenance work efficiently.