This Zinc Plated Square Trailer U-Bolt will meet your specific requirements. Zinc Plated U-Bolts are great for preventing rust and corrosion. These U-Bolts can be used on boat trailers or utility trailers. Check your measurements and match them up with the measurements shown in the picture for a perfect fit. Each Galvanized U-Bolt comes with (2) Galvanized Flat Washers, and (2) Zinc Plated Nylock Nuts
Thread Size: 1/2-13
The dimensions of this U Bolt would make it suitable on most 2 x 2 square frames. You would want to make sure your select the correct length based off the material you need to go around, keeping in mind to leave enough room for the nuts and washers. Zinc plated u bolts allow more corrosion protection than standard u bolts.