(512-5/16"x1-3/8"x2-1/2") - National N222-448 2193 U Bolt in Stainless Steel, 5/16 x 1-3/8 x 2-1/2

National Hardware N222-448 2193BC U Bolt in Stainless Steel

uxcell Round U-Bolts 4 Sets 0.63"(16mm) Inner Width 46mm Length Steel M6 with Nut, Plate, Washer

National Hardware N222-562 DP2190BC U Bolt Zinc plated, 5/16" x 2-1/2" x 5"