Martyr Anodes CMX04M Streamlined Shaft Anode 1-1/8 Inch Magnesium

The Martyr Anodes CMX04M is a streamlined magnesium shaft anode designed to provide superior corrosion protection for propeller shafts in freshwater and brackish water environments. This precision-engineered anode fits 1-1/8 inch diameter shafts and features a low-profile streamlined design that minimizes drag and turbulence while maximizing protection.

Key Features:

• Magnesium alloy construction optimized for freshwater and brackish water applications
• Fits 1-1/8 inch (28.6mm) diameter propeller shafts
• Streamlined design reduces water resistance and improves efficiency
• Includes Allen screw for secure, tool-free installation and removal
• Meets or exceeds military specification MIL-A-21412
• Prevents costly corrosion damage to shafts, propellers, and underwater metals

Martyr is the only manufacturer that offers all three alloy types (aluminum, zinc, and magnesium) in a full range of sizes, ensuring you get the right protection for your specific water conditions. Regular inspection and replacement of sacrificial anodes is essential for maintaining optimal corrosion protection and extending the life of your marine drive components.