Give your entertainment greater reach with the Philips Coax Couplers / Extension Adapter. Each connector in the two pack features dual F-type jacks and is threaded on both ends to link two coax cables. This coax coupler is the perfect solution if your cable is too short or you need easier access to connections behind heavy furniture. The adapters enhance reach to your electronics without losing the quality you expect. Twist-on assembly is quick and easy with no tools required. For added versatility, the adapters transmit video and audio through cables equipped with F-type connectors.