Dinghy chocks for Zodizc, Avon, Mercury, and other inflatables Also for RIBS. Chocks are sturdy powder coated steel. Bases are about 13" wide, each with an adjustable foot to fit deck camber. The forward set is a bit taller than the aft set to mount the dinghy bow high These are each fitted with black bunk carpeting in as new condition. $125 for all 4 chocks. Boating season is coming up. Mount your RIB on the foredeck or cabin top with these very serious chocks. $125 or best offer.