Lewmar Size 20 Low Profile Hatch Flange Base

Support System Lower Frame (in) Acrylic Colour Hatch Weight (lb) Acrylic Window Thickness (in) Self Supporting 9/16 Smoke Grey 4.9 5/16 Dimensions Length X (in) Width Y (in) Height Z (in) Radii R (in) Cut-Out Length X1 (in) Cut-Out Width Y1 (in) Cut-Out Radii R1 (in) 10 11/16 16 7/16 1 2 7/8 7 15/16 13 11/16 1 11/16 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.