Solid brass porthole. Available in either a polished brass or chromed brass finish. CE marked, RINA approved, conforms to ISO 12216. Supplied with 6mm clear Plexiglass as standard. Please note, all images feature the chrome finish. Diameter (mm) 182.00 Glass Diameter (mm) 125.00 Spigot Depth (mm) 12.00 Spigot Diameter (mm) 152.00 Exterior flange ring thickness (mm) 4.00 Specifications Clear Plexiglass Manufacturer Foresti Suardi Weight (kg) 1.28