CE Smith Jon Boat Support Bunk & Bracket Assembly 24"The Jon Bunk & Bracket Assembly uses bunk mount crossways to support the flat bottom of boat. The assembly is adjustable from 5-1/2" up tp 8" above tongue.Features: All mounting hardware for a 2" or 3" wide tongue; Board is untreated Sothern yellow pine covered with high quality, marine grade carpet; Heavy-duty bracket is made of galvanized steel; Made in USA; Sold individually