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Zinc anodes for rudders and trim tabs are disc shaped plates of zinc designed to minimize corrosion around your boat's metal rudders and trim tabs. Select from a variety of sacrificial zincs ranging from 1-7/8 inch to 6-1/2 inch diameter by referring to the chart below. Made by Martyr.
|Martyr Zinc part||Diameter||Thickness|
|CMR02||2-13/16 inch||1/2 inch|
|CMR03||3-3/4 inch||1/2 inch|
|CMR04||5 inch||5/8 inch|
|CMR05||5-1/8 inch||7/8 inch|