Lewmar Size 10 Low Profile Deck Hatch [39910030]Size 10 Low Profile Deck Hatch The Low Profile Hatch has soft styling and sleek looks, ideal for use on a powerboat. Smaller ventilation 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. Features: Outside handles allow the hatch to be opened from on deck if it is not locked (Sizes 00, 03,10, 20 & 41 have no outside handle and can only be opened from the