Prime-Line Products N 6870 Mirror Door Roller Assembly， 1-1/2 in.， Steel Housing &amp; Ball Bearings， Concave Plastic Wheel<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Fits on Contractors Mirror Door， and used by several other mirror door manufacturers</li><li>1-1/2 in. outside diameter wheel</li><li>Concave edge wheel</li><li>Constructed of a plastic wheel and an adjustable steel housing</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ZB%2BcPQNIL.jpg" noproxy>