Cannon Low Profile Swivel Base is corrosion-resistant because of the way it is created. The 316 stainless steel not only prevents corrosion but adds strength. This downrigger swivel base is square with holes on each corner. In the middle circle is another square indention with holes in each of those corners as well. It's all silver in color with a knob on one side.
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Low Profile Swivel Base, Stainless Steel - Cannon
