CONCEALFAB's 900357 PIM shield cable support rail, pole mount kit, 24 in. PIM shield cable support rails provide a low passive intermodulation mounting system to secure multiple cable support blocks (sold separately) in high risk PIM zones. The pole mount kit includes one (1) rail plus the hardware required to secure the rail to a pole. An extra rail kit can be added (sold separately) to double the number of connection points.