Sea Dog Stainless Steel Stern EyeSea-Dog stern eyes are constructed of corrosion resistant machined 304 stainless steel and come with adjustable finish nuts which provide superior performance over crimp ring style stern eyes. For use as a tie-down point on your boat's stern. Robust backing plate for added rigidity in water ski tow applications.Thread: 3/8"Plate Size: 2-1/4" x 3/4"