Whitecap Stainless Steel Stern EyeWhitecap Stern Eyes are constructed of durable 304 stainless steel and are suitable for fresh water and saltwater applications. Use Whitecap Stern Eyes as a tie-down point on your boat's stern. Available in two sizes.Specifications:Part NumberEye SizeStockThreadsPlateS-50281"3/8"3-7/16"2-3/4" - 1-1/4"S-50291-1/2"1/2"3-7/16"3-1/2" - 1-1/2"