Prime Line Products 9059866 Hex Bolt, 3/8 in 16 X 3 1/2 in, Zinc Plated Steel, Pack of 25

Diameter-Thread Size: 3/8 inch-16 Length: 3-1/2 inch (partially threaded) One of the most commonly used general purpose fasteners Designed for use with a nut or a threaded hole of the same thread size Nuts and washers not included, ensure washers and nuts are same diameter, Weight: 2.832 pounds, Manufacturer: Prime-Line