These Bow Eyes are for use as a tie-down point on your boats bow. The 3/8″ shafts have rolled threads. Constructed of corrosion resistant machined 304 stainless steel. Includes adjustable finish nuts, which provide superior performance over crimp ring style stern eyes. Can be used in conjunction with Lift Eyes (048330 or 048350) for a more robust lifting assembly.ModelThreadsThicknessThread LengthInside WidthLengthOutside WidthB.S. (lb.)Weight (lb.)080033-13/8″ NC3/8″2-1/2″1-1/16″3-15/16″1-7/16″16,000.30080035-13/8″ NC3/8″3-1/2″1-1/16″4-15/16″1-7/16″16,000.36080055-11/2″ NC7/16″3-1/2″1-3/8″5-5/16″1-3/4″25,000.66080085-11/2″ NC1/2″3-7/16″1-3/8″5-5/16″1-7/8″28,000.70