Our 4 inch Boat Round Deck Plate Inspection Hatch Outer Ring Diameter of 5.57 inches (141.6 mm), an Inner Hole Size of 4 inches (101.6 mm), And a Reserved Installation Opening Size of 4.4 inches (112 mm).
Round Non-slip Boat Hatch is Made of ABS Material and momes Offering Advantages Such as Waterproofing, Corrosion Resistance, UV Resistance.
The Inspection Access Hatch Outer Ring is Designed with 6 Screw holes and comes with 6 pieces of 316 stainless steel screws for Relaxed installing onto your yacht and RV inspection hatch.
Deck Plate Inspection Access Hatch With an O-ring For Leak-proof and Waterproof Protection With anti-slip cover Opened and Closed by Rotation .
Deck Plates for Boats Widely used, it can be applied to boats, RVs, and outdoor facilities. If you have any size questions, you can contact us, and we will respond within 24 hours.