Prime-Line Products B 608 Screen Door Tension Spring with Roller and 1-Inch Steel Ball Bearing，(Pack of 2)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>1in. O.D. Steel ball bearing center grooved roller</li><li>Fits Metal Industries screen doors</li><li>Used as a top and bottom roller</li><li>Fasteners Included</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41TxSoGa4HL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41eKoXYC8YL.jpg" noproxy>