These are custom zinc plated u bolts we supplied to our customer at 150 sets that included 2 hex nuts per u bolt and a flat plate measuring 1/8 X 2 X 3-1/4 inches.  The lead time without any rush service was at 2 weeks from order confirmation.  Material certs were provided with the parts per customer specifications.  The inside width of the u bolt was set at 2 inches, inside length at 3-1/2, and 2 inches of 5/16 coarse thread was incorporated on each leg.  The sets were delivered to the customer fully assembled as shown in the picture.