The Low Profile Hatch has soft styling and sleek looks ideal for use on a powerboat. Smaller hatches are suitable for any deck location on sailboats while the larger sizes can be used as foredeck hatches on smaller to mid size yachts. All low profile hatches have a height of 1 above deck. CE Approved. OD - 15-5/8 x 20-3/4 and Cutout - 12-7/8 x 18-42.5 . This product ships in approximately 1 days