2” long x 3/8” dia. rod.
Used on flat surfaces either horizontally or vertically. If using vertically, order compatible swivel rod and base of RSP13 or ARSP13 instead. Aluminum rod is 1/2 inch diameter by 12 inches long. Available in copper and aluminum.
NEVER use aluminum for grounding. Transition from aluminum cable to copper cable by using the bimetallic connector #M3