4" Keel Roller Black 17mm

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. Ideal for Aluminium & Fibreglass Boats. FEATURES: Cotton Reel Style 4"(76mm) Width & 17mm Bore Size Use with 16mm Spindle Machined from a Solid Piece of Material Non Marking UV Stable Made from Heavy Duty Black Rubber