CPC Light Mount Bracket The Light Chain Mount Bracket is CNC machined and formed from 6061T-6 aluminum and attaches with two stainless steel 3/8" x 1.5" ball detent pins through the Light Chain Mount and the hollow chain link pins to secure securing ½" square bar or tube chandelier mounts anywhere along the length of the chain. Multiple lights can be mounted easily to the Chain Pole Clamp while maintaining a very low profile. The Light Chain Mount is fastened directly to the light fixture?s yoke with either ½"-13" or 3/8"-16 hardware the same as if it were a clamp.