Model	Length	Number of Rollers	Finish	Boat Capacity	Mounting Bracket*
6387	4'	10 sets of 3	Galvanized	2,500 lb / 1,134 kg	6389
6388	5'	12 sets of 3	Galvanized	3,000 lb / 1,361 kg	6389

*Roller bunk brackets allow bunks to be adjusted vertically and angled to cradle the boat hull.