There are two square frames consisting of four parts, which are used to create the ceiling hatch.

The current ceiling is sealed with four screws, making it easy to "open".

Size:

- Large size: 305 mm

- Height: 12.5 mm

The radius of the screw hole is 2.2 mm, and the diameter is 4.4 mm.

External/internal overlap: 14 mm/12 mm