Prime-Line Products M 6058 Shower Door Bottom Guide Assembly，(Pack of 2)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Injected nylon bottom guide for sliding tub enclosure doors</li><li>Fits 1/2" thick door rails</li><li>Used by several shower door manufacturers</li><li>Keeps sliding tub enclosure doors aligned</li><li>Used by several shower door manufacturers</li><li>Fits 7/16in. thick door rails</li><li>Contains 2 guides</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31y65Ej-zAL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41TqXJbPuaL.jpg" noproxy>