Roxom 8 Inch Concave Keel Roller

8 Inch Concave Keel Roller Boat Trailer 8 Inch Concave Keel Rollers. Made from HDPE Ultralene, 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. 8 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. 8 Inch rollers are designed for medium sized boat hulls. Hard hdpe plastic is long lasting and will give you years of pleasure on your boat. Dimensions : 200mm Long x 70mm Dia x 17mm Bore.