Anchor Chocks protect the deck in rough seas or while the boat is underway. Secures the anchor when not in use while still maintaining easy access. For use with conventional fluke anchors (Danforth) from 5 - 20 lbs. Constructed of corrosion resistant bronze. Lovely vintage castings: looks great on any boat. Compare with $110 retail: https://www.amazon.ca/SeaDog-ANCHOR-CHOCKS-322150-1-Reference/dp/B0023F8B6A