This shield can be used on any size houseboat and boats over 26 feet that use mooring lines 1/2 inch or greater.
The shields can be used on mooring lines up to one inch in diameter.
Included with the each shield is a set of four inserts that adjust the size of the shield opening to 1/2, 5/8, 3/4, and 7/8 inch diameter enabling them to be used on various sizes of mooring lines.
Picture shows the "boat side" of the shield with its patented spring hinge. The "shore side" of the shield is smooth. Click picture for enlargement.