FIRESTIK 18ft RG-58A/U PL to Mini-UHF to Fire-Ring Black. Shielding coverage that averages 95percent to protect against RF leaks and interferrence. Polyvinyl center insulation for ruggedness and longevity. Performance that exceeds mil-spec requirements for 50 ohm RG-58A/U coax. Package Contents: FIRESTIK 18ft RG-58A/U PL to Mini-UHF to Fire-Ring FIRESTIK MU8R18: 18ft RG-58A/U PL to Mini-UHF to Fire-Ring Black