Coaxial Cable Stranded center conductor to maximize flexibility and prevent untimely breakage Shielding coverage that averages 95% 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 Great as jumpers to an antenna tuner, switch, meter or your main antenna. MODEL NO - K8_50