Rod measures 3/8” Dia. x 12”. Part number RSP18 and ARSP18. Rod and swivel adjustable base for any angle. Ideal for side mounting on flat surfaces or pitched. Convenient way to partially conceal an external system. Rods also available in other sizes. Aluminum rod is 1/2 inch diameter by 12 inches long. It can be placed on one side of the ridge and not be seen from the other side. Available in copper or aluminum.
NEVER use aluminum for grounding. Transition from aluminum cable to copper cable by using the bimetallic connector #M3