Super-strong light-weight base made from structurally foamed polypropylene. Fabricated bicycle-proof steel grate available in two strengths for light and heavy loads (Class A 10kN, Class B 80kN). Checker plate covers available (Class A 10kN) . Colour of base - black. With proper installation, supports weight of industrial traffic. Riser available. Trash screen and light duty checker plate cover. Width: 460mm x 460mm. Height (including grate): 625mm. Height of grate: 45mm. Height of riser: 350mm. Capacity: 75 litres.