Streamline Shaft Zinc Collar Metric 30mm
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Seashield Marine 30mm Shaft Zinc Anode.
All metric shaft zincs have a copper contact on each half for a permanent electrical connection. Models 25mm through 50mm have Stainless Steel Allen screws with lock washers. Stainless steel nuts are pressed in.
Shaft Size: 30mmOutside Diameter: 59mm
Length: 64mm
Weight" 1 lb.