1)cable connectors 2)material: brass 3)with high quality 4)competitive price ... gold-plated beryllium copper alloy3, Insulator PTFE4, Gaskets silicone rubber5, Crimp Ferrule: seamless nickel plated copper tubeOther information 1, Coupling: bayonet ... +155 4,Corrosion 5% salt solution 48hours Min. 5, Waterproof Crimp heat shrink tube Solder silicone rubber gaskets. 6, Standards Applicable ...