High Quality Material: All bits in the screwdriver set are made of high quality S2 tool steel, which is more durable than CR-V steel. The hardness of S2 tool steel can reach HRC (58-62), and it is not easy to deform, wear and tear ALL IN ONE - This mini game Exquisite mechanical screwdriver set includes 118 precision drill bits and 20 disassembly accessories. Each screwdriver bit in the set is unique. You can use it to open almost any device Special Tool: Upgrade the screwdriver bits, the drill of this tool set is specially extended, even if the target position is deep and narrow , it can easily be reached. Screws can be removed with the magnetic screwdriver, even if the screw falls out in the gap Wide range of applications: with precise micromechanical screwdriver sets, some household appliances can be repaired, air conditioners, fans , refrigerators, MacBooks, PCs, PS4s, switches, tablets, iPhones, iPads, cameras, game consoles, watches, glasses, etc. Convenient storage: sorted in a sturdy plastic box with labeled inserts for quick sorting of drill bits after use. Safe and clear storage, tools are not easy to fall or lose. This screwdriver set is an ideal gift for relatives and friends