Made from spheroidal graphite ductile cast iron, according to ISO 1083 (Type 500-7) and standard EN 1563. Class D-400, according to
EN 124. Group 4. For roads, pedestrian walkways, stabilised shoulders and parking areas for all vehicle types. Non-toxic, inflammable and
non-polluting water-soluble black paint. Metal cover with non-slip tread. Soundproof seal to ensure the absence of noise and prevent
cover movement. Ball hinge that ensures easy opening and safe inspection. Elastic security lock that ensures the cover locks and fits perfectly
in the frame.