Roxom 3 Inch Red Wobble Rollers

3 Inch Red Boat Trailer Wobble Rollers 3 Inch Red Ribbed Wobble Rollers with 20mm bore. These ribbed rollers are ideal for use on fiberglass boats and hulls. These polyurethane rollers will outlast and perform traditional rubber wobble rollers. You invest so much money and time on your boat so why struggle with your trailer? Australian made plastic boat rollers. Dimensions : Bore size = 20mm. Diameter = 4 inch. Width = 3 inch.