These Monument heavy-duty manhole lifting keys are designed for the safe and efficient removal of maintenance hole covers. Each tool features a robust rectangular lug end and a triangular handle, engineered to provide a secure and positive grip, even when wearing heavy-duty work gloves. The set includes 2 lifting keys, which have been finished with a zinc plating to offer enhanced resistance against corrosion and rust, ensuring longevity during frequent outdoor use in various weather conditions. This set is suitable for professional maintenance tasks and DIY drainage access.