VEVOR Recessed Manhole Cover 11.8\"x11.8\" Clear Opening, Galvanized Steel Drain

VEVOR Recessed Manhole Cover 11.8\"x11.8\" Clear Opening, Galvanized Steel Drain Cover Overall Size 14.5\"x14.5\", Sealed Square Manhole Cover and Frame, Steel Man Hole Lid Inspection Access for Boat/
Stylish Smoothing Surface
Powder-coated Steel Plate
30x30 cm Precise Size
Sturdy Sealing Structure
Bolt-On Installation
Exact Fitment
Overall Frame Size: 37x37 cm,Gross Weight: 6.36 kg,Screws: 2,Color: Silver,Clear Opening Size: 30x30 cm,Material: Powder-coated Steel Plate,Height: 4 cm