Hard-to-Find Fastener 014973100247 5/16-18-Inch x 1/2-Inch Course Hex Bolts， 100-Piece<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Diameter: 5/16-Inch</li><li>Length: 1/2-Inch</li><li>Material: Steel</li><li>Finish: Zinc</li><li>Head Style: Hex (1/2 Wrench)</li><li>Diameter: 5/16"</li><li>Length: 1/2 inch</li></ul></div><img src="http://ecx.images-amazon.com/images/I/5128ojKDdaL.jpg" noproxy>