YATES Durable gold TPR keel roller ,7.75" length, 3-1/4' end width and 2-1/4" center dia for 5/8" dia shaft.Has a steel sleeve with nylon end caps for smoother performance and wear resistance. TPR rollers are extremely cut resistant, soft and gentile, shock absorbing and will not mark your boats hull. These UV resistant rollers will not develop "flat spots" and will outlast ordinary black rubber rollers.Sold as each