Sea Choice - Mushroom Anchor - Vinyl Coated - 8 lbs. - 41200. Aluminum painted iron with a vinyl coating. For small boats and mooring buoys. One-piece cast iron in two coating choices: double-dipped painted aluminum for rust resistance and heavy gauge black vinyl for hull protection. Most effective in sand or mud.. Features:. Weight - 8 lb.. Vinyl Coated. Boat Size - Up to 10'