Dimensions=Material Diameter x Shank Length Supplied with Nut 5/16" 516 5/16" x 2" Eyebolt price/each 5/16" x 2" Eyebolt EB312x02$1.85 5/16" X 4" Eyebolt price/each 5/16" X 4" Eyebolt EB312x04$1.96 Phone: 800-431-3095 © 2011 Fehr Bros. Industries, Inc. All rights reserved.