Ideal for bunk style pontoon boat trailer with box, channel, or I-beam frames up to 3″ wide x 4-1/4″ tall. Minimum friction rolling action easily guide pontoon boat onto trailer. Height is 25″ above trailer frame. Mount with roller bunks 2-3″ from pontoons on a trailer frame cross member.
Fits trailer frames up to 3″ wide x 4-1/4″ tall
U-bolt mounting brackets
Includes two rubber roller bunks
Galvanized steel construction
Zinc plated hardware