2 inch Round Airline Track with Powder Coated Black Finish (Break Strength: 4，500 lbs. Working Load Limit: 1，500 lbs.) - 4 Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Actual diameter: 1-3/4"</li><li>For use with Single Stud Fittings ONLY</li><li>Powder Coated Black Finish</li><li>Number of holes per track: 2</li><li>Quantity: 4</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41rhcOpiFcL.jpg" noproxy>