An assortment of neoprene expansion plugs/stoppers from The Hillman Group. Neoprene plugs provide a mechanism for parts to expand, forming a tight seal. Variants included in this assortment run from 1"-1-1/8" to 1-3/4"-1-7/8" in size range. Full assortments of #58249 contain six (6) refills comprised of Hillman item numbers #58250 - #58255.