Rudder Anode Material: Magnesium Outer Diameter: 3.63" Height: 0.52" Weight: 0.39lbs Full size and weight Rudder Each includes Stainless Steel hex nut and socket cap screw The captive hex nut is a great feature for underwater installations

Rudder Anode Material: Zinc Outer Diameter: 3.63" Height: 0.52" Weight: 1.56lbs Full size and weight Rudder Each includes Stainless Steel hex nut and socket cap screw The captive hex nut is a great feature for underwater installations

Rudder Anode Material: Aluminum Outer Diameter: 3.63" Height: 0.52" Weight: 0.61lbs Full size and weight Rudder Each includes Stainless Steel hex nut and socket cap screw The captive hex nut is a great feature for underwater installations

Rudder Anode Material: Magnesium Outer Diameter: 1.85" Height: 0.28" Weight: 0.07lbs Full size and weight Rudder Each includes Stainless Steel hex nut and socket cap screw The captive hex nut is a great feature for underwater installations

Rudder Anode Material: Magnesium Outer Diameter: 2.84" Height: 0.43" Weight: 0.22lbs Full size and weight Rudder Each includes Stainless Steel hex nut and socket cap screw The captive hex nut is a great feature for underwater installations

Rudder Anode Material: Magnesium Outer Diameter: 5" Height: 0.60" Weight: 0.78lbs Full size and weight Rudder Each includes Stainless Steel hex nut and socket cap screw The captive hex nut is a great feature for underwater installations

Rudder Anode Material: Magnesium Outer Diameter: 5" Height: 0.89" Weight: 1.11lbs Full size and weight Rudder Each includes Stainless Steel hex nut and socket cap screw The captive hex nut is a great feature for underwater installations

Rudder Anode Material: Zinc Outer Diameter: 2.84" Height: 0.43" Weight: 0.87lbs Full size and weight Rudder Each includes Stainless Steel hex nut and socket cap screw The captive hex nut is a great feature for underwater installations

Rudder Anode Material: Zinc Outer Diameter: 1.85" Height: 0.28" Weight: 0.26lbs Full size and weight Rudder Each includes Stainless Steel hex nut and socket cap screw The captive hex nut is a great feature for underwater installations

Rudder Anode Material: Zinc Outer Diameter: 6-1/2" Height: 0.87" Weight: 8.79lbs Full size and weight Rudder Each includes Stainless Steel hex nut and socket cap screw The captive hex nut is a great feature for underwater installations

Rudder Anode Material: Aluminum Outer Diameter: 1.85" Height: 0.28" Weight: 0.10lbs Full size and weight Rudder Each includes Stainless Steel hex nut and socket cap screw The captive hex nut is a great feature for underwater installations

Rudder Anode Material: Aluminum Outer Diameter: 2.84" Height: 0.43" Weight: 0.34lbs Full size and weight Rudder Each includes Stainless Steel hex nut and socket cap screw The captive hex nut is a great feature for underwater installations

Rudder Anode Material: Aluminum Outer Diameter: 5" Height: 0.60" Weight: 1.22lbs Full size and weight Rudder Each includes Stainless Steel hex nut and socket cap screw The captive hex nut is a great feature for underwater installations

Rudder Anode Material: Aluminum Outer Diameter: 5" Height: 0.89" Weight: 1.73lbs Full size and weight Rudder Each includes Stainless Steel hex nut and socket cap screw The captive hex nut is a great feature for underwater installations

Rudder Anode Material: Zinc Outer Diameter: 5" Height: 0.89" Weight: 4.41lbs Full size and weight Rudder Each includes Stainless Steel hex nut and socket cap screw The captive hex nut is a great feature for underwater installations