An assortment of polyethylene hose barbs from The Hillman Group. Hose barbs are cylindrical pieces of rubber or plastic used to attach & secure hoses or tubing together. The barb-like rings on the cylindrical piece allow for an easy push connection of flexible tubing that remains secure. Variants included in this assortment range from 3/16" to 1/2" in inner diameter and fit male pipes ranging from 1/8" to 1/2" in diameter. Full assortments of #56135 contain eleven (11) refills comprised of Hillman item numbers #56136 - #56146.