Screwdrivers are divided into traditional screwdrivers and electric screwdrivers. The traditional screwdriver consists of a plastic handle plus an iron bar that can lock the screw, while the
Electric Screwdriver consists of a plastic handle plus a ratchet mechanism. The latter allows the iron rod of the lock screw to rotate clockwise or counterclockwise, and the function of idle rotation can promote the efficiency of the lock screw without having to turn the power driver (hand) back to the original position one by one. Use: When repairing the mobile phone, a screwdriver is needed to open the case (some mobile phone cases do not need a screwdriver with a snap button). Most of the screws use hexagon socket screws; different mobile phones have different specifications, generally T5, T6, T7, T8, etc. Some models are also equipped with special screws, requiring a dedicated screwdriver. In addition, you need to prepare a small screwdriver with a small screwdriver. When choosing this kind of tool, you can choose A and B sets of batches, which almost include all mobile phone shell opening tools. When opening the case, choose an appropriate screwdriver according to the type and specification of the fixing screws on the case. If the selection is not appropriate, the screw slot may be flattened, causing slipping.