The gem electronics 0406-00CSFP compression connector was created for CATV, IP CCTV, and home theater system installers. The universal weatherproof compression seal requires just one assembly procedure and one crimp tool for F, RCA, and BNC connectors. A 360 degree plastic insert completely captures the cable components to the inside walls of the connector for superior electrical performance and high cable retention values. The plastic compression sleeve is tapered to fill all available space and produce a cable retention that is far superior to any and all connector designs. Once This connector is properly installed, it cannot be pulled off! Perfect for CATV, matv, and satellite TV installations, with a .195 - .245 cable O.D. (Blue)