Connecting sleeve (short version of RODOI connecting rod) that has got 5/8″ sleeves on both ends. Mostly used in combination with lamp adapters, RODUO, thanks to its safety screws and locknuts always in a safe way, is commonly engaged in a ceiling rail system. Additionally it has got an outer-diameter of 25 mm (0.98″) and thus the rod is also compatible with COMBITUBE.