An assortment of brass 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 1/2" to 3/4" in inner diameter and fit male pipes ranging from 1/4" to 1/2" in diameter. Full assortments of #56294 contain seven (7) refills comprised of Hillman item numbers #56175, #402031, #402032, and #402034 - #402037.