Plastic Manhole Block Mold for Concrete Casting

This plastic mold is designed for casting accurate concrete blocks used in sewer and inspection-well construction. It serves as a reliable casting mold to produce consistent, repeatable concrete shapes for drainage and infrastructure projects. Features a rigid, open-top construction with molded side walls and internal partitions for structural integrity. Smooth cavity surfaces and side cutout openings allow for easy block release and efficient production. Suitable for on-site construction, masonry workshops, and professional precast concrete operations.