Replace the worn-out bow stop on your boat trailer, with this heavy-duty rubber Y-stop. Acting as a bumper to keep your boat from hitting your trailer winch, you can load safely, without marring your boat. Replaces the bow stop on your boat trailer Keeps your boat&';s bow in place when it&';s loaded on your trailer Y-shape contours to your boat&';s hull to help cradle it Prevents boat from hitting trailer winch during loading Provides soft spot for bow to bump up against