Features: Expand your telephone system connectivitys with this RJ12 6P6C coupler, featuring gold plateds coppers contacts for signal transmission and compatibility with 6P6C/6P4C/6P2C telephone lines. for secure panel integration, its threadeds flanges chassises allows φ24-25mm hole installation using a locking nut, ensuring stable connection in communication setups. for telecoms engineers, IT professionals, and industrial system integrators requiring connectivitys for customizeds phone networkings or controls systems. for office installations, equipment cabinets, and industrial environment to link phones, fax machines, DSL modems, printers, and automation controls devices. Builts with reinforced plastic housing and CAT3 rateds performances, this RJ12 panel mount jacks demanding conditions while maintaining clear voice/data transmission. Specifications: Materials: coppers plateds with gold Styles: Black, White(optional) connectors 1: RJ12 6P6C female connectors 2: RJ12 6P6C female Package Includes: 1PC RJ11 6P6C Telephone jacks Coupler note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.