Lewmar Size 10 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  (in) Width (in) Height (in) Radii (in) Cut-Out Length (in) Cut-Out Width (in) Cut-Out Radii (in) 13 13 1 2 7/8 10 1/4 10 1/4 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.