FIBERGLASS THIS PRODUCT IS HAND-MANUFACTURED, SPECIALLY DESIGNED FOR USE FOR TRACK AND RACING, IT IS SUPPLIED RAW, AS SEEN IN THE PHOTO. ATTENTION: NOT DEVELOPED FOR ROAD USE! Racing product in fiberglass fabric, (in all our items we DO NOT use fiberglass in coarse flakes, but only the one in the form of woven fabric, for a better final quality of the product). Externally they are presented with white or black gelcoat, internally made with fabric impregnated with a special thermosetting polyester resin, which hardens through catalysation, this resin has been designed with the collaboration of experts to guarantee great lightness and flexibility to the hulls. Our fiberglass products require drilling, the points where the holes should be drilled are marked. it is possible to add special quick release screws (for racing use) which can be purchased separately on our website.