6-Way connection manifold. 1-1/4" square black anodized machined aluminium block, drilled and threaded on each side for 3/8"-24 threads. Includes (6) 1" long 3/8"-24 threaded studs. We recommend Loctite 242 for locking studs into place. This manifold allows you to connect multiple flexible gooseneck or rigid arms to each other or to a mounting base.