U-Bolt Mounting Kit For 6，000 lb / 7，000 lb Axles With 3 Inch Round Tube Diameter<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Kit Includes - (4) U-Bolts， (2) Tie Plates and (8) Nylon Lock Nuts</li><li>U-Bolt Measurements - 7 Inch Length， 3.56 Inch Width， 1/2-20 Thread</li><li>Tie Plate Measurements - 5.92 Inch Length， 4 Inch Width， 3.56 Inch Hole Centers</li><li>Nylon Lock Nut Measurement - 1/2"-20 Thread / Pair of weld-on spring seats are included.</li><li>Economically priced kit - Perfect for those on the road repairs.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41fm9Pv3L-L.jpg" noproxy>