Hard-to-Find Fastener 014973147747 5/16-18-Inch x 4-1/2-Inch Galvanized Carriage Bolts， 50-Piece<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Diameter 1: 5/16 inches</li><li>Diameter 2: 23/32 inches</li><li>Length: 4-1/2 inches</li><li>Material: Steel</li><li>Finish: Hot Dip Galvanized</li><li>Diameter: 5/16"</li><li>Length: 4-1/2 Inch</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41IwTktKmNL.jpg" noproxy>