Greenfield Products Vinyl Coated Mushroom Anchor - Black Greenfields Mushroom Anchors are preferred by many boaters due to their compact design and ease of use. Greenfield mushroom anchors are constructed of cast iron and are coated with a heavy-duty, long-lasting vinyl. The coating not only protects the anchor from corrosion but also protects the finish of your boat as well. When not in use, the compact size of these anchors makes them easy to stow. Greenfields mushroom boat anchor provides exc