ITEM NAME:ABS Non Slip 4" Deck Inspection Hatch Screw Out Plate For Marine Water Tight Description: Reinforced design with a non-slip surface Separate cover plate and chassis, easy to install Pre-drilled countersunk holes (screws not included) Made of ABS material, anti-aging, anti-corrosive, ultraviolet resistant Weather-tight and O-ring sealed deck plates are perfect for interior and exterior applications Size(ID x OD): approx.101 x 143mm(4.0 x 5.6inch) Specification: Name:Anti-corrosive Inspection Access Deck Plate Color: White Material: ABS Compatible With: For Boat Yacht Marine Access Hatch Cover Package Includes: 1 x Deck Inspection Hatch.1 x Deck Inspection Hatch. Compatible With: For Boat Yacht Marine Access Hatch Cover. Weather-tight and O-ring sealed deck plates are perfect for interior and exterior applications. Made of ABS material, anti-aging, anti-corrosive, ultraviolet resistant.