Attention to Detail: when measuring your required height (length) for these U bolts, remember to add an extra inch for the nuts and washers; This will ensure a good fit and effective fastening, optimizing their performance; Ensuring you have all you need for easy and efficient installation; Remember to only use a hand socket ratchet or wrench when installing to avoid galling, sticking, and breaking of the U bolts Trailer U-bolt kits in a variety of lengths, diameters and finishes. Trailer axle U-bolt kits used for connecting trailer leaf springs to the axle. U-bolt kits include nuts, washers and plates Specifications: Material: black zinc plating Color: black Size: about 1/2 inch/ 1., 27cm in diameter, 3 inch/ 7., 62cm in width and 8 inch/ 20., 32cm in length Package includes: 4 x U bolts 8 x Stainless steel hex nuts 8 x Flat washers Notes: Manual measurement, please allow slight errors on size. Standard U Bolts Zinc Plated - 3 Nom Tractor Supply U Bolts 4 PC 12 Round U Bolts Zinc Plated 3 Inch Wide U Bolt Maldives Heavy Duty U Bolts Quality: our U bolts boast rust resistance due to their black zinc plating; This feature ensures your bolts are not only corrosion resistant but also durable; You can rely on these U bolts for your long term needs Now on Sale: U Bolts | Zinc Plated U Bolts | Made in the USA Sufficient Quantity: this package includes 4 round U bolts zinc plated, 8 stainless steel hex nuts and 8 flat washers, enough quantity to satisfy your uses and replacements The color may exist a slight difference due to different screen displays.