The Attwood bow roller 11880-1 aids the easy loading of your boat. It is 4 inches wide/long. Its polymer construction makes it durable, long lasting and impervious to sunlight/UV damage, chemicals or fuels. Attwood Corporation has been an award-winning leader in engineering, testing, and manufacturing the highest quality marine products for over 100 years. We deliver safe and reliable lighting, fuel systems, water systems, seating & pedestals, swim ladders, custom upholstery, and general marine accessories that are easy to install and meet regulatory compliance.