FireStik K-8 18 feet Single Antenna Coax Cable W/ PL259 TO 2 LUGS 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