Bull's eye weld-in

Opening port with steel flange.
Heavy-duty, also intended for installation in the transom.
The brass port ring comes with hinge bolts (D = 10 mm) on a tapering frame made from ship-building steel St. 37 (depth 10 mm).
Gasket: Neoprene rubber.
Glass: Hardened single-pane safety glass (depth 12 mm).
Manufactured to ISO (maritime) and CE standards.

Steel deadlingts are also available for these ports.