Better Boat - Box Anchor for Boats Folding AnchorDrop a folding box anchor that is built to bite from either direction when wind or water movement shifts. Double sided design with large retention teeth digs into mud or rock bottoms. Steeper rope angle can reduce the amount of rope needed compared with many standard fluke setups. Folds flat for storage and locks open with spring loaded pins. Choose 13 lb for boats up to 21 ft, 19 lb for boats up to 30 ft, or 26 lb for boats up to 35 ft. More Details