Farias Coral-Series Provides A Great Look To Your Boats Gauge Panel Each Coral Gauge Features A Sleek Perimeter-Lighted Black Dial With Stylish White And Blue Graphics It Offers A Black Aluminum Bezel With A Burnished Leaning Edge, A Contoured White Pointer, And A Flat Glass Lens The Size 4 Gauge Requires A 3375 (85 Mm) Mounting Hole