- Boat trailer parts
- Fiberglass boats
- Australian made plastic
6 Inch Red Soft Self Centering Boat Trailer Keel Roller Red soft polyurethane 6 Inch Self Centering Roller. 17mm Bore. 155mm X 70mm X 17mm Ideal for use with fiberglass boat hulls. High Quality Australian Made Polyurethane Plastic Material made for Australian boats and conditions.