Specification Brand : Keenso BulletPoint1 : [Robust Design] Designed with o ring seals for long durability and dependable use. BulletPoint2 : [Easy to Use] Separate cover and chassis with an unscrewed design that requires no tools for easy opening. BulletPoint3 : [Convenient Installation] Simple to install and use, providing much convenience for you. BulletPoint4 : [Long Lasting Material] Made of superior abs material that is impact performance, anti-aging, anticorrosion. BulletPoint5 : [Non-slip Superficial] Features a non-slip superficial for easy horizontal and vertical installation. ItemName : 4in ABS Deck Plate Hatch Cover, Easy Install, Separate Cover, Designed with O ring Seals, for Boats Marine ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 15 centimeters ItemTypeKeyword : boat-vents-and-deck-plates Manufacturer : Keenso ModelName : Keensoa7k890g32o ModelNumber : Keensoa7k890g32o NumberOfItems : 1 PartNumber : Keensoa7k890g32o Pattern : Solid ProductDescription : Spec: Condition: Brand New Item Type: Hatch Cover Material: ABS Color: White Inner Diameter: Approx. 101mm/4in Outer Diameter: Approx. 143mm/5.6in