Superb Material: Premium sturdy material delivers strong rust and corrosion resistance stable performance in tough conditions for long term use Keep Watches Securely in Place: Handy watch screw set for replacing missing fasteners to keep your watch fully assembled and well maintained Easy Replacement: Practical screw assortment for quick and simple replacement of lost watch screws Easy to Use: Offers steady grip with no slipping please check the size carefully before purchasing these tiny flat head machine screws Widely Used: Versatile micro screws ideal for watches glasses clocks phones computers tablets cameras and various household commercial and industrial equipment, Manufacturer: Xinglongs