Amarine-made (Set of 2) Stainless Steel Outrigger Pole Holders & Deck Mounts Bases Mirror polished stainless steel construction. Multiple swivel settings. Ambidextrous arms will fit both port and starboard bases Plate size: 4x2-1/2", O.D. Tube dia. 1-1/4", Multiple locking positions via different points on the outrigger arms. These are HIGH QUALITY polished Stainless Steel (Not chrome on Brass) Outrigger base and pole mount kit. Each kit comes with 2 bases, 2 gaskets and 2 pole mounts. The pole mounts are sized to accept 28mm outriggers.