Set up your boat trailer with this Heavy Duty 12 inch Keel Roller by Caliber, these black rubber rollers are extremely common and are usually installed along the keel of boats as a means of protecting the hull, and allowing easy loading and unloading.
This Heavy Duty Rubber Roller has 5/8 inner Bore. the exterior shape is tapered to contour to the keel of the boat.
Boat Trailer rollers are seen along the center line of the boat trailer on each cross member. Their main function is to assist with the loading and unloading process. Over an extended period of time they can become worn out or cracked due to saltwater, sun, and general use. It is ideal to replace cracked or worn rollers to prevent damage to your boats hull. This Heavy Duty black rubber roller will replace any other 12 inch keel roller previously using the standard panel bracket system.