Crimp-on Male PL-259 UHF Connector for Rugged LMR400-UF - RG8 Cable is designed for a faulty coax connection repair or replacement. This connector is compatible with Rugged LMR400-UF coaxial antenna cable and RG/8 Coaxial Cable. A tool like Ratchet Hex Crimping Tool is required for crimping. Mobile radios can be connected using this connector.