Effectively prevent poor contact, signal interruption and arcing caused by vibration and micro offset. Made of high-conductivity brass and beryllium copper, available with gold plating, silver plating and nickel plating for low resistance, anti-oxidation and long plug-in cycle life. Widely used in aviation connectors, RF assemblies, new energy control terminals and precision instrument connections. Custom sizes, spring forces and structures are supported for prototypes and mass production.