An assortment of grade 8 SAE thick hardened steel flat washers from The Hillman Group. Flat washers are great for adding resistance to your bolts and screws to prevent them from boring into the surface material and weakening it. When selecting a washer, be sure to pick one that matches the fasteners you are already using. Included variants range from 1/4" thru 1" in diameter. Full assortments of #45855 contain ten (10) refills comprised of Hillman item numbers #45856 - #45865.