| 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
| Diameter (in) | Height Z (in) | Hinge Length HX (in) | Hinge Width HY (in) | Cut-Out Diameter (in) |
| 19 15/16 | 1 | 19 7/16 | 5 9/16 | 16 9/16 |
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.
Lewmar Size 18 Low Profile Hatch Flange Base - 39918030
