4''Marine Screw Out Deck Plate Inspection Hatch Plastic Access Boat RV
4''Marine Screw Out Deck Plate Inspection Hatch Plastic Access Boat^
Strong ABS Molded Design, Anti-Aging, Anti-Corrosive, Ultraviolet Resistant^
Inside Diameter: 4"(101mm).Cutout Diameter: 4.5"(114mm).Outside Diameter: 5.6"(143mm)^
Durable Water-Tight O-Ring.Reinforced design with a non-slip surface^
Easy to install, Pre-drilled countersunk holes (screws not included)