Roxom 12 Inch Concave Keel Roller

12 Inch Concave Boat Trailer Keel Roller 12 Inch Concave Keel Rollers. Made from HDPE Polyethylene, Machined from a solid piece of material these rollers are built to stand the toughest of conditions and still maintain their reliability. These plastic rollers will not split or crack unlike rubber rollers. These rollers are ideal for use with Aluminium boats & trailers. 12 Inch concave boat rollers are ideal to help centre your boat when you are ready to retrieve. Their concave design allows the boat to naturally fall towards the centre. 12 Inch Concave keel rollers are designed for larger sized boats. Standard concave rollers come with a 25mm bore and are machined to order. If you require a different sized bore, please message us first to discuss your options. Dimensions : 300mm X 70mm X 25mm