Five Oceans 4" Boat Hatch - Marine Hatch - Boat Access Hatch with Detachable Cover, UV-Resistant ABS White Plastic, for Pontoon, Fishing Boat, Boat Yacht, Sailboat, RVs, Caravan - FO296

MARINE-GRADE MATERIAL: Boat Hatch Round Inspection 4"" screw-in deck plate is made of anti-aging, anti-corrosive, and UV-resistant ABS white plastic with a smooth finish. LEAK-PROOF DECK PLATE: It is designed with a rubber O-ring that creates a watertight seal for safety and allows it to be used for interior and exterior applications. EASY INSTALLATION: Screw-in style has a single-start, non-jamming, and no cross-threading. Separate cover plate and chassis for easy installation. 6 #8 Screws Needed (not included). MEASUREMENTS: Inside Diameter: 4"" (102mm), Outside Diameter: 5-5/8"" (143mm), Cutout: 4-7/16"" (113mm), Distance Between Mounting Holes: 5-1/8"" (130mm). SAFETY: Access Hatch includes a safety lanyard to secure the lid cover. Please, use silicone sealant on the hull or deck surface when installing the deck plate FIVE OCEANS, 40 Years developing High-Quality Marine & Outdoor Products