Steelex D2613 3-Inch Threaded Swivel Polyurethane Wheel<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Polyurethane/polypropylene; swivel</li><li>Wheels are 3 inches in diameter; 150 pounds weight capacity</li><li>Mounting stud is measured at M12-1.75 x 26mm. (casters not recommended)</li><li>220-Pound capacity</li></ul></div><img src="http://ecx.images-amazon.com/images/I/417LlV01eSL.jpg" noproxy>