450mm Diameter Square Secured Plastic Manhole Cover And Frame (Driveway Loading 50kN*). Robust Screw down fixings. Secure lid in frame reduces risk of accidents, injury and removal. Plastic has no scrap value therefore reduces the risk of theft. Overa
450mm Diameter Square Secured Plastic Manhole Cover And Frame (Driveway Loading 50kN*). Robust Screw down fixings. Secure lid in frame reduces risk of accidents, injury and removal. Plastic has no scrap value therefore reduces the risk of theft. Overa