Streamline Shaft Zinc Collar 4.000"
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Seashield Marine Streamline Shaft Zinc Collar Shaft Anode.
Mill Spec A-18001 Highest quality Zinc Anode on the market today,features 2 deep slotted Stainless Steel machine screws for maximum torque... Divers especially like the ease of installation,only having to install 2 bolts instead of the typical 4 bolts used by other manufactures.
Shaft Diameter: 4"Length: 4 1/4"
Outside Diameter: 5 1/4"
Weight: 9.40 lb.