Prime-Line Products GD 52108 4-Inch Diameter Pulley with Strap and Bolt<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Heavy duty galvanized steel</li><li>Factory lubricated</li><li>Easy to install</li><li>Can be used at stationary or spring pulley positions</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41XpAgK4rHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51FstibtMIL.jpg" noproxy>