Home > Zinc Anodes >
Martyr Rudder/Trim Tab Magnesium Anodes
Rudder/Trim Tab Magnesium Anodes
Martyr Magnesium anodes for rudders and trim tabs are disc shaped plates of magnesium designed to minimize corrosion around your boat's metal rudders and trim tabs. Magnesium anodes are specifically designed for use in freshwater. Select from a variety of sacrificial anode sizes by referring to the chart below.
| Item # | Diameter | Thickness |
| CMR01M | 1 7/8" | 1/4" |
| CMR2M | 2 13/16"
| |
| CMR03M | 3 3/4" | 1/2" |
| CMR04M | 5" | 5/8" |
| CMR05M | 5 1/8" | 7/8" |