ITEM NAME:50x 12 Specification Watch Repair Watch Crown Waterproofing Tiny Rubber YXU Descriptio n Descriptions: Material: Plastic color: blue Size: 22*17*5CM Weight: 375g Product List: Specifications: 1.4mm 0.6*0.4 1.45mm 0.65*0.4 1.5mm 0.5*0.5 1.6mm 0.6*0.5 1.6mm 0.6*0.7 1.7mm 0.7*0.7 1.8mm 0.8*0.5 1.9mm 0.9*0.6 2.0mm 1.0*0.5 2.4mm 1.4 *0.5 2.8mm 1.8*0.5 (about 50PCS per specification) feature : This tool is a simple and convenient repairing tool. The main function is to remove the watch chain and disassemble the strap. It is also possible to open the general popular watch back cover or handle simple faults. If your watch is very upscale, then I hope that you can send the watch to a professional repairer. So as not to damage your love watch! If you take your watch or it is damaged because of improper operation, we are not responsible for it.. I hope you understand! This set of tools is to make it easier for more friends to change the strap, or to slim down the strap, or to wear a strap, or to have your watch out of power, or to change your watch. Designed to replace the battery with this main function. 1. New repair kit 2. Light weight and easy to carry 3. With these repair tools, you will be able to easily disassemble your watch, mobile phone 4. Quickly disassemble and install the phone without any damage 5. Can be reused many times We offer you what you need! 12 specifications waterproof ring watch waterproof ring watch.This tool is a simple and convenient repairing tool. The main function is to remove the watch chain and disassemble the strap. It is also possible to open the general popular watch back cover or handle simple faults.