It is made up of bright polished exterior finish stainless steel, commonly used as deck hardware in highly corrosive marine environments. Marine Boat Stern Stock Fixed Welding Plate Bow Eye U-Bolt may be used where an eye bolt would be too small or extra strength is required. Easy to Install: It can be used where an eye bolt would be too small or extra strength is required. Commonly used as deck hardware in highly corrosive marine environments. Dimensions: Stock Diameter: 3/16”, Thread Length: 1-3/8”, Overall Length: 2-3/4”, Center to Center Length: 1.16”. Package Includes Pack of 1 MARINE CITY 304 Grade Stainless-Steel Marine 3/16 Inch Stock Bow Eye/ U-Bolt (L: 2-3/4 Inch).