Deck hatch with interior opening of 11-1/8" x 7". Includes a durable latch that features three locking points, which, when engaged, cause the camming surface to pull the lid into the gasket, creating a water-tight seal. Constructed of injection molded polypropylene with a structural honeycomb lid for superior rigidity and strength. Non-slip textured surface. It can be mounted horizontally on a seat/deck or vertically on a bulkhead—a full-length piano hinge for added strength. A Group 24 series size marine battery will fit through the opening. Installs with ten #10 PH fastener / #10-24 screws & silicon sealant (not included).