This new iMBAPrice Grounding Block intended to ground incoming F-pin cables to your TV, VCR, cable box, cable modem, off-air antenna & more, while preventing a buildup of static electricity. It can also be used to protect your electronics from damaging lightning strikes & power surges. Each end of the grounding block is specifically made to fit into a standard male F-pin coax connector. A weather-resistant metal build is ideal for organizing & maintaining your audio/video network with quick access. This iMBPrice F-pin grounding blocks include 2 screws for easy installation. The mounting screws are even individually wrapped in a small plastic bag to protect the grounding block from scratches.