? Patented RTQ(TM) compression sleeve provides weatherproof seal at cable entry point;? Robust, all-brass exterior;? For indoor/outdoor use in application & installations from 5MHz to 3GHz, including CATV, satellite, HDTV & other A/V-based applications;? Connectors fit regular through quad cables;? For use with 30-603, 30-793, 33-631, 33-632 compression tools;? 5 pk;? Requires standard 1/4 x 1/4 cable prep/strip;