The EBP Galvanised Single Seal Top is a removable plate forming the lid over the opening of a manhole, to prevent anyone or anything from falling in and to keep out unauthorized persons and material. The bearing surfaces of the manhole frame come in a square shape and are machined to assure flatness and prevent them from becoming dislodged by traffic. A manhole pick or hook is typically used to lift them, though other tools can be used as well, including electromagnets. The product is durable and strong. Key Features Made from polypropylene material making the product durable Resistant to high temperature Featured with anti-corrosion property Weather proof