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🛥️ Protect your ride, own the tide!
Martyr Anodes CMR03 is a premium zinc alloy anode designed for saltwater use, providing reliable cathodic protection for marine vessels. Manufactured with ISO 9001 quality standards and featuring a stainless steel Allen head for easy installation, this compact anode safeguards metal components like iron, steel, aluminum, and magnesium from corrosion, ensuring longevity and performance in demanding ocean environments.

| ASIN | B001444VMO |
| Best Sellers Rank | #62,561 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #7 in Zener Diodes |
| Brand | MARTYR |
| Color | magnesium |
| Compatible Groove Diameter | 2 inches |
| Customer Reviews | 4.7 4.7 out of 5 stars (281) |
| Drive System | Slotted |
| Exterior Finish | Aluminum,Stainless Steel,Steel,Zinc |
| Fastener Size | .5 inches |
| Fastener Type | Machine Screw |
| Finish Types | Zinc Plated |
| Global Trade Identification Number | 00628309103545 |
| Head Type | Hex |
| Included Components | Main component only |
| Item Diameter | 3.75 inches |
| Item Dimensions | 3.9 x 3.8 x 1.6 inches |
| Item Highlight | Sacrificial Anode for your Rudder, Corrosion protection for your boat in SALTWATER |
| Item Weight | 1.6 pounds |
| Manufacturer | Martyr |
| Material Type | Zinc |
| Metal Type | Zinc |
| Model | CMR03 |
| Number Of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Outside Diameter | 3.75 inches |
| Part Number | CMR03 |
| Screw Head Style | Trim |
| Screw Point Style | Hex |
| Set Screw Thread Type | Unified National Coarse (UNC) |
| Size Name | 0.5" x 3.75" x 0.34" |
| Thread Coverage | Partially Threaded |
| Thread Size | Unthreaded |
| Thread Style | Right Hand |
| Thread Type | Unc |
| UPC | 628309103545 |
| Unit Count | 1 Count |
| Warranty Description | 90 days |
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