Tommy Docks 18" x 5" x 5" Pipe Bumper was engineered for a painless installation. Its innovative split-back design allows you to slide the bumper over the top of your dock pipe and down over your bracket with ease. Plus this sleek looking pipe bumper was designed to accessorize and protect your boat at the same time. This bumper not only adds a finishing touch to your dock it also protects your boats, dock pipes, your dock, waterfront equipment, and swimmers from rough contact. | Tommy Docks 18" Pipe Bumper - Blue 2-Pack