50x50 cm Recessed Manhole Cover This unique designed 50x50 cm recessed steel manhole cover, with heavy-duty powder-coated steel plate, robust, stable, and reliable in its quality, function, and performance. Easy to bolt-on assembly. They were widely used as a drain and inspection opening attachments on ships, pumping stations or parking lots. Stylish Appearance Sturdy Steel Plate Precise Dimension Sealed and Locked Features & Details 【STYLISH APPEARANCE】- These square man hole covers with appealing appearance, smooth in surface. Raised stylish patterns of the steel plate significantly increase the friction when you walk over it. 【STURDY STEEL PLATE】- The recessed manhole cover made of high-quality steel with a sealed plate and frame. The powder-coated surface is rigid, durable, rustproof, and anti-corrosion. 【PRECISE DIMENSION】- The inspection cover builds in a precise dimension with thickened plates . With Clear Opening Size: 50x50 cm, Overall Frame Size: 57x57 cm, Height: 4 cm.
