Item Name: Watches Stainless Steel Watteries Metal Welding Soldering Agent Flux No-clean. Can be applied to various stainless steel products, batteries, watches and clocks, precision parts, toy model, medical devices and so on.Use alcohol to clean the area before welding.Can't be used to welding aluminum alloy.Suitable for welding galvanized stainless steel sheet, nickel, copper, iron and other metal.Fast welding, quick effect, non-toxic and environment-friendly.size:3.5*9.5cmPackage includes:1 bottle* 50ml Soldering AgentHow to use: 1. Drop a drop of solder at the place to be soldered.2. Use soldering and soldering iron soldering to play the role of soldering. *Please make