Galvanized Polebarn Nails, 4-In. x 20D, 5-Lbs.
Use for load-bearing, wood framed, polebarn structures where high holding strength is required. Rings act as wedges to keep nail in place preventing pop out. Increased holding power, resists vibration and pull out. Recommended for exterior use and with treated lumber. Not recommended for use with cedar or redwood.