Attwood Bow Eye U-Bolt 3/8"-16 x 2-7/16" 

Made from long-lasting stainless steel. When transom mounted can function as a ski tow hook. Nut and washers included.

A: 5/16", B: 3/8"-16 x 2-7/16", C: 1-1/16", D: 4-3/8", Plate: 2-1/2" x 9/16", Capacity: 6000 lbs.