Roxom 4 Inch Smooth Blue Wobble Rollers – 25mm Bore

4 Inch Smooth Blue Wobble Rollers - 25mm Bore Boat trailer 4 Inch Blue Smooth wobble rollers. Manufactured from tough polyurethane materials. These rollers are ideal for fiberglass boats and hulls. These polyurethane rollers will outlast and perform traditional rubber wobble rollers with the expected lifespan much greater. Ideal for boats, jet skis and pontoon setups. Dimensions: Bore size = 25mm. Diameter = 4 inch. Width = 3.5 inch.