【High quality】: Heavy duty,UV stabilized white ABS construction,anti-corrosion,durable to use in marine environment.
【Size】: Overall size: 20" X 18" (510mm x 460mm); Opening clearance 17.2" X 15.1" (436mm x 383mm); Protrusion above deck: 0.7"(17mm); Intrusion below deck: 1"(26mm).
【Easy installation】: Supplied with 2 strong recessed handles easy to install,pre-drilled countersunk fastening holes (screws not included).
【Application】: Low profile hatch, designed for installation on internal or external flat surface;The lid hinges 180° and completely covers the mounting flange, for an attractive flush finish.
【Package Included】: 1 x 20" Length X 18" Width (510MMX 460MM) Boat Deck Access Hatch.