B120 Seachoice 32011 Chrome Plated Zinc Gas Deck Fill Plate. Chrome plated zinc body with black nylon plastic mounting ring and cap. Cap is tethered to fill with a strap. Has grounding screw. Overall mounting ring diameter: 3-1/8”. Overall length: 1-7/8”. Fuel hose size: 1-1/2”. Requires #6 fasteners for mounting (not included) NEW is in the original packaging. Comes as pictured. Please verify the part number is correct for your application. Thank you for shopping Madlin Marine Parts.