Relife RL-727 3D Extreme Edition Screwdriver   Features: The 3D screwdriver tip fits the screw precisely, so the teeth are not easy to slip. Built-in magnetizing block, automatic magnetizing, permanent magnet. The nut has a built-in precision silent bearing, which is smooth and smooth to use Ergonomic design, exquisite and meticulous, no matter which gesture is comfortable Suitable for internal and external screws such as iPhone   Huawei Samsung Xiaomi OPPO Suitable for dismantling internal Y-shaped triangle small screws Suitable for detachable five-star screws at the bottom of the iPhone series