1.The 3D screwdriver tip fits the screw precisely, so the teeth are not easy to slip.
2. Built-in magnetizing block, automatic magnetizing, permanent magnet.
3. The nut has a built-in precision silent bearing, which is smooth and smooth to use.
4. Ergonomic design, exquisite and meticulous, no matter which gesture is comfortable
"Can used more than 10,000 times , high quality."
"Beautiful price, durable, stable sales every month."
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