Taylor Made Dock Post BumperPost bumpers are great protection for pipe supported type docks. Protects the boat from contact with the metal dock pipe and hardware at dock level. Easily slides over 1 1/2" dock pipe and rests securely against the dock. Molded from marine grade vinyl with an inflation valve to adjust firmness.Features: 7" Diameter x 17" Long; Slides over 1-1/2" Dock Pipes;