An assortment of nylon flat washers, wing nuts, acorn nuts, and lock nuts from The Hillman Group. Wing nuts can be used where frequent connection adjustments or removals are needed and can be made quickly & often. Acorn nuts add a protective finishing end on threaded rods, protecting you from injury. Stop nuts prevent loosening of bolts or screws due to vibration. Flat washers increase the load-bearing surface under a fastener's head by distributing the load throughout the washer. Variants included in this assortment range from #6-32 to 1/4"-20 in coarse thread size. Full assortments of #2567 contain sixteen (16) refills comprised of Hillman item numbers #2568 - #2583.