If you're working on trailer suspension repairs, this MCCKLE U bolt kit has everything you need. The kit includes 8 U bolts specifically designed for 2-3/8 inch round axles on 3500 lb capacity trailers. The 1/2 inch diameter with 2 thread pitch provides serious strength, and the alloy steel construction can handle heavy loads and vibration. The corrosion-resistant coating means they won't rust out quickly, which is crucial for trailers that see weather exposure. The package includes everything - 8 U bolts, 4 plates for 1-3/4 inch leaf springs, plus all the nuts and washers you need. Installation is straightforward if you're mechanically inclined, though having the right tools definitely helps. Perfect for replacing worn or damaged U bolts during trailer maintenance or upgrades. The quality feels substantial - these aren't cheap imported parts that'll stretch or break under load. The 2-pack means you've got spares or can do multiple axles. Definitely double-check your trailer specifications before ordering to ensure compatibility. One of those repair parts that can prevent bigger problems down the road by keeping your suspension properly secured.