



🛡️ Protect your vessel like a pro—longer, stronger, smarter!
Martyr Rudder/Trim Tab Disc Anodes are premium aluminum alloy sacrificial anodes engineered for superior corrosion protection in salt and brackish waters. Offering 50% longer life than traditional zinc anodes, they are impurity-free and pressure diecast under ISO 9001 standards, providing reliable, low-cost cathodic protection for a wide range of marine metals.




| Material | Zinc |
| Drive System | Slotted |
| Head Style | Trim |
| Exterior Finish | Aluminum,Stainless Steel,Steel,Zinc |
| Thread Size | Unthreaded |
| Point Style | Hex |
| Metal Type | Zinc |
| Brand | Martyr Anodes |
| Color | magnesium |
| Head Type | Hex |
| Item Weight | 0.72 Kilograms |
| Thread Type | Standard |
| Thread Coverage | Partially Threaded |
| Thread Style | Right Hand |
| Thread Class | 2A |
| Fastener Size | .5 inches |
| Size | .5 H x 3.75 OD x .34 |
| Item Diameter | 0.5 Inches |
| Compatible groove diameter | 2 Inches |
| Number of Pieces | 1 |
| UPC | 628309103545 |
| Global Trade Identification Number | 00628309103545 |
| Item Package Dimensions L x W x H | 9.29 x 6.54 x 2.32 inches |
| Package Weight | 0.74 Kilograms |
| Item Dimensions LxWxH | 3.9 x 3.8 x 1.6 inches |
| Brand Name | Martyr Anodes |
| Number of Items | 1 |
| Manufacturer | Martyr |
| Part Number | CMR03 |
| Style | Zinc |
| Sport Type | Boating |
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