Material Casting manufactured in spheroidal-graphite cast iron (ductile cast iron) in accordance with the EN-1563 Standard. Features Set of 604mm clear opening. Hinged cover with maximum opening range of 120º and safety blocking at 90º angle. Anti-residue elastomeric ring design for stability and noise reduction. Self-locking fixation to better secure product to pavement. Closing system with interlocking perimeter edge maximized by cover's weight. Anti-slip surface. Opened by standard tools (crowbar, pick). Opening force below 30 daN.