Lewmar Ocean Series Flange Base HatchThis Lewmar Ocean Series Flange Base Hatch features a shock resistant acrylic lens. With a rugged construction build and attached hinges on the outside the frame, it provides ultimate protection against the elements and prevents leakage. This hatch also features a corrosion-resistant anodized aluminum frame with inset hinges, snag-resistant rounded corners and a flange base. The self supporting friction levers hold the lid open in any position up to 95 while the hatch opens 180 for easy access.Features: Shock Resistant Acrylic Lens; Rugged Construction For The Ultimate Protection Against The Elements; Full Range Of Spare Parts Available; Hatch Vent Position; Hinges Are Attached Outside The Frame To Prevent Leakage; Corrosion-Resistant Anodized Aluminum Frame With Inset Hinges, Snag-Resistant Rounded Corners and Flange Base; Hatch opens 180 for easy access; Unique Sealing System; Self-Supporting Friction Levers Hold Lid Open In Any Position Up To 95; Friction Hinge Allows For Any Open Position Without The Need For Support Arms; Internal/External Lockable Handle Assemblies; Simple Maintenance; Conforms To CE Area 2: Deck, Coach Roof, Cockpit Or Transom Use (Tested To 2 psi); Fits Other Lewmar Standard Cut-Outs; 3 Year Limited Warranty; Mounting Instructions: Fit To A Flat Surface With A Maximum Tolerance Of +/- 1mm.; Fastening Size At Hinge Section Use (M6 / 1/4").; Fastening Size For Lower Frame Use 5mm CSK Screw No.10 UNC 2 BA.; Specifications:SizeAcrylic ColourAcrylic Window ThicknessLower FrameHatch WeightRadiiLengthWidthHeightHinge LengthHinge WidthCut-Out Length FlatCut-Out Width FlatCut-Out Radii10Smoke Grey3/8"1" FLange5.77 lb2-15/16"12-3/4"12-3/4"1-9/16"3/16"5-7/16"10-1/4"10-1/4"1-11/16"40Smoke Grey3/8"1" Flange10.5 lb2-15/16"19-1/8"19-1/8"1-9/16"3/16"11-3/4"16-9/16"16-9/16"1-11/16"60Smoke Grey1/2"1" Flange17.6 lb3"22-5/8"22-5/8"1-11/16"3/16"14-7/16"19-15/16"19-15/16"1-11/16"70Smoke Grey1/2"1" Flange23.8 lb3"27-5/16"27-5/16"1-11/16"3/16"19-3/16"24-1/2"24-1/2"1-11/16"Click here to download Lewmar Hatch Installation Instructions