Just throw it out and it quickly sets in any bottom material. Its fixed scoop design and narrow side panels set it into sand, grass, mud and even rock. Narrow side panels reduce resistance for easy retrieval. Stainless steel stabilizing bar and return spring make it easy to lock open or collapse down for easy storage. Requires no lead chain and only half the anchor line. Galvanized steel construction. This could be the last anchor you will ever have to buy. Available: 19 lbs.- For boats up to 30 ft. Type: Anchor.