Description
Designed to work with Roof Top Blox RTB01 rooftop support block (sold separately).Accepts piping clamps.Installs directly to Blox or use with ROD-03 Extension Rods.Mounts directly to Blox top in alignment trough with #14x1 sheet metal screws and washers (hardware not included).Increases the Blox max load to 350 lbs./158 kg