Bomar Commercial Grade Cast Aluminum Hatch Oval. A 4-Dog Flush Mount watertight hatch that is made of Almag-35 Aluminum and has an outside opening stainless steel t-handle. This hatch is not hinged

Hatch Opening: 15" x 24" (380mm x 610mm)
Outside Deck Flange: 21 3/4" x 30 1/2" (552mm x 775mm)
Cutout: 17 3/4 inches x 26 3/4" (450mm x 680mm)
Extends below deck: 5" (185mm)
Weight: 34 pounds
This model does not open from the inside.
An optional inside handle is available.