The C.E. Smith 8 inch Keel Roller with 5/8 inch Center is a high-quality boat trailer part manufactured in the United States. Specifically designed for marine use, this keel roller provides easy and smooth towing capabilities. With a sturdy construction and a 5/8 inch center for added durability, this product is a reliable choice for boat trailers. Perfect for those looking to upgrade or replace their current keel roller, this product from C.E. Smith offers peace of mind for a successful boating experience.