C.E. Smith Boat Support Bunk & Bracket Assembly Jon. Adjustable from 5-1/2" up to 8" above tongue. Includes all mounting hardware for a 2" or 3" wide tongue. Board is covered with high quality marine grade carpet. Sold individually. Specifications for C.E. Smith Jon Boat Support Bunk & Bracket Assembly: Manufacturer: C.E. Smith Color: Silver Package Contents: C.E. Smith Jon Boat Support Bunk & Bracket Assembly C.E. Smith 27850: Boat Support Bunk & Bracket Assembly Jon