Bull´s eye weld-in

Fixed port, heavy-duty quality.
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.