Martyr Aluminum Rudder Anode 3.75 Inch Diameter x 0.5 Inch Thickness Marine Corrosion Protection

The Martyr Aluminum Rudder Anode is designed to help protect your boat’s rudder and trim tab from galvanic corrosion in saltwater and brackish environments. Measuring 3.75" in diameter by 0.5" thick, this durable sacrificial anode delivers dependable underwater metal protection. 

Key Features:

• Aluminum alloy construction for saltwater and brackish water use
• 3.75" diameter x 0.5" thickness for compatible rudder applications
• Includes stainless steel bolt and nut for secure installation
• Helps reduce corrosion damage to rudders and underwater metals