Johnson Level &amp; Tool 595 Line Level Set Structo Cast， 3-Inch<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Durable level vial is impact resistant</li><li>Lightweight construction reduces line sag</li><li>Unrestricted hooks allow for easy movement on line</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31x5Y2cd0GL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21LJy6nsFKL.jpg" noproxy>