Feature 14mm/0.2in thick tempered glass, rugged and durable, not easy to damage. 2Reserved mounting holes (without screws), easy to install, simple and convenient to use. 3Contains durable rubber ring seals for strong sealing, effective waterproof, reliable to use. 4The two fittings can be loosened to allow you to swing open the porthole. 5Casted and polished 316 stainless steel accessories, corrosion free synthetic fittings. 6Made of highquality ABS material, antiaging and antiultraviolet, suitable for boat environment.Condition: 100% Brand NewItem Type: Boat Porthole Material: Tempered Glass+ABS+316 Stainless SteelColor: BlackInner Diameter: Approx. 197mm/7.8inOuter Diameter: Approx. 265mm/10.4in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Porthole1 x Base