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. All low profile hatches have a height of 1" above deck. CE Approved. Outside handles allow the hatch to be opened from on deck if it is not lockedLow profile hatches open up to 180° (round hatches open to 170°)Friction levers to hold the lid open in any position to 95° on Stay versionsAnodized aluminum frame for corrosion resistanceCurved upper frame profile for strength as well as modern stylingFull range of spare parts available