Lewmar Low Profile HatchLewmar Low Profile Hatch The sleekly designed Low Profile Hatch is ideal for use on a powerboat. Smaller ventilation hatches are a better fit for sailboats, while the larger sizes can be used as foredeck hatches on smaller to mid size yachts. Outside handles allow the hatch to be opened from on deck if it is not locked Low profile hatches open up to 180 (round hatches open to 170) Friction levers hold the lid open in any position up to 95 Acrylic