Coax coupler with gold plating resists corrosion and provides rigidity RG6 coupler for extending the length of RG6 coaxial cables Perfect choice for RG6 Patch cables. Convenient and cost-effective 5-pack F81 connectors provides spare or replaceable coaxial couplers for multiple RG6 cables F-81 barrel connectors are individually packaged for maximum protection ; 18 months warranty for quality problems.