An assortment of white nylon flat and finish washers from The Hillman Group. Washers are great for adding resistance to your bolts and screws to prevent them from boring into the wood and weakening it. Always use washers with bolts and nuts of similar finish and thread size for the best quality-of-life for the fastener. Nylon washer variants in this assortment measure 5/16" thru 1-1/4" in outer diameter, 0.140" thru 0.54" in inner diameter, and 1/32" thru 0.183" thick. Full assortments of #58657 contain twelve (12) refills comprised of Hillman item numbers #58659, #404738 - #404747, and #404749.