Johnson Level &amp; Tool 3718 18-Inch Machined Top-Read Aluminum Level<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Extruded aluminum I-beam frame</li><li>Black anodized finish</li><li>Computer machined level edge</li><li>Patented， magnified top-read window</li><li>Protective end caps</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31VSRN4FMEL.jpg" noproxy>