U-Bolt Mounting Kit For 2，200 lb Axles with 1-3/4 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 - 4-1/2 Inch Length， 2.31 Inch Width， 1/2-20 Thread</li><li>Tie Plate Measurements - 3-1/2 Inch Length， 3.75 Inch Width， 2.31 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/51NA8seY95L.jpg" noproxy>