These Flush-Mount Side Lights are made from heavy-duty 304 stainless steel. Designed to be mounted above the gunnel rubrail to be considered navigational running lights.• 12V 3W bulb• Use #10 fasteners• 7-7/8"L x 2-1/4"W x 2-1/2"D• Center-to-Center Hole Dimensions: 5-3/8"• Cutout: 3-1/2" x 1-7/8"• Sold in pairs 7-7/8""L x 2-1/4""W x 2-1/2""D Cutout: 3-1/2"" x 1-7/8"" Use #10 fasteners | Whitecap Stainless Steel Flush-Mount Side Lights, pair