Mirror polished stainless steel construction.nMultiple swivel settings. Ambidextrous arms will fit both port and starboard basesnPlate size: 4x2-1/2u0026#34;, O.D. Tube dia. 1-1/4u0026#34;, Multiple locking positions via different points on the outrigger arms.nThese are HIGH QUALITY polished Stainless Steel (Not chrome on Brass) Outrigger base and pole mount kit.nEach kit comes with 2 bases, 2 gaskets and 2 pole mounts. The pole mounts are sized to accept 28mm outriggers.nThese are HIGH QUALITY 316 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. The poles have segmented cut-outs on the bottom, giving the option to secure the pole in several different angles. Dimensions: • Base length: 100 mm • Base width: 65mm • Tube ID: 1 1/8" 28mm