Curved, manually operated door, 4 hinged wings. Mirror-polished AISI 316L stainless steel frame to be screwed in to boat structure. 2 fixed side wings and 2 hinged central wings. Wings lock in opern position Inner and outer Opacmare standard handle mod. 7535 with inner and outer lock. Door to be installed from the outside. Monolithic curved glasses, 6 mm thickness, colour Europe grey.