Check the listing for details. Tecnoseal R2 Rudder Anode - Zinc - 2-13/16" Diameter. Condition: New. Listed at 23.04 USD. Marine Discount Center Item Description Rudder AnodeMaterial: ZincOuter Diameter: 2.84"Height: 0.43"Weight: 0.87lbsFull size and weight Rudder Each includes Stainless Steel hex nut and socket cap screwThe captive hex nut is a great feature for underwater installations Shipping Information Items usually ship within 1 business day of cleared payment. If there is an issue with your order, we will notify you through ebay messages Return Information Return Time: You can return most items within the first 30 days from the shipping date. All returned or exchanged items must be in their original box and include packing material, manuals, and all accessories. Customers are responsible for all return shipping costs. This does not apply to items that arrived damaged. International Customers All electrical items are made for US voltage and plugs Customs and import charges are the responsibility of the buyer Warning: This product can expose you to chemicals including lead or di(2-ethylhexyl)phthalate or other chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm.