Skiff Side Mount Outrigger Holders No. OH-214S and OH-214SB The Skiff Outrigger Holders are also available using a side mount bracket to support the same curved tubes. The holder can now be mounted on the side of a cabin or inside the cockpit. Operation is the same as flush type holders. 1-1/4" tube has 1.115" ID, 1-5/8" tube has 1.40 ID. Sets include: Pair side mount bases, port curved tube, starboard curved tube.