This product is a 100% brand new, original SEAFLO product Low profile hatch, designed for installation on internal or external flat surface Heavy duty, UV stabilized white ABS construction Reinforced lid with non-skid surface The lid hinges 180° and completely covers the mounting flange, for an attractive flush finish Rubber seal ensures weatherproofing when mounted on vertical surfaces Supplied with 2 strong recessed handles Easy to install, pre-drilled countersunk fastening holes (screws not included) Specifications Overall size: 24"X14" 606 x 353mm Opening clearance:20-3/5"X 11" 524 x 278mm Protrusion above deck: 0.7" 17mm Intrusion below deck: 1" 26mm Mounting screws not included