The Kupo 8.4" Hex Baby Offset Arm an arm with a two hex adapters, one on the end of the arm and another at a right angle to it for mounting flexibility. The other side of the arm features two opposing baby 5/8" pins for mounting light fixtures or any other baby accessory with a baby receiver. This is an easy way of mounting a light fixture in the middle of a riser section or from an overhead pipe.