41/2" Large V Block Rubber 12mm

These black rubber rollers are a cost-effective, highly durable staple when replacing your old, worn-down trailer rollers. Regular replacement of trailer rollers will extend the life of your trailer and your boat as they are essential to your boats stability in-transit and during launch/retrieval. This 4 1/2" Winch Post V Block is suitable for all hulls. Features: Black Rubber 4 1/2" Winch Post Dimensions - 150m x 100m x 95mm Bore Size – 12mm Base – 105mm x 95mm Machined from a Solid Piece of Material Non Marking UV Stable Made from Heavy Duty Black Rubber