Feature 1Made of 316grade polished stainless steel, it is sturdy, corrosionresistant, rustproof and durable. 2Fine workmanship, mirror polished to a fine luster for a highquality addition to your boat deck. 3Can be used as access openings for cabinets, doors, drawers, wall, countertops and many other locations. 4The installation is simple and does not require complicated operations. 5Built to meet standard specification, strictly follow factory quality control.Item Type: Deck Plate Material: 316 Stainless SteelInner Diameter: Approx. 7.62cm / 3inOuter Diameter: Approx. 122mm / 4.8inMounting Hole Diameter: Approx. 5mm / 0.2inHole to Hole Distance: Approx. 105mm / 4.1in .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 Deck Plate1 x KeyNotePlease allow 02mm error due to manual measurement. Thanks for your understanding.