CONCEALFAB's 900360-10 PIM shield channel runner kit, galvanized, M10 x 30 mm. PIM shield channel runner kit provides a low passive intermodulation method to secure PIM shield rails (sold separately) to galvanized steel mounting brackets in the high-risk PIM zone. The channel runner assembly slides inside the rail extrusion and provides insulation between the aluminum rail and the galvanized steel mounting hardware.