Screw knife tool, for watch maintenance, glasses maintenance, watch battery replacement, adjustment of strap, disassembling watch bracelet linked, jewelry processing, laptop computer, circuit board, camera and small maintenance. This watch screwdriver is made of high-quality stainless steel. The tip is high -carbon steel, which is not easy to wear, resistance, rust-proof, handle non -slip texture, easy to grasp. The screw knife repair kit with a rotating head is simple and practical. You can quickly identify the screwdriver size of the screw knife through the color-encoded lid, and press it by rotating the handle cover and press it to easily operate. You get 13 screwdrivers, equipped with 13 extra , 1 magnetic device and 1 key chain screw knife, 1 free glasses cloth., Manufacturer: Akfldms