An assortment of universal star, 3-prong, T & ball knobs from Hillman. Universal knobs require no tools for installation. Hardware drops into the hole or self-threads into ball knobs. Parts in this assortment come measured 1-3/8" thru 2-1/4" in diameter and are constructed from high-quality materials which offer a high resistance to corrosion. Full assortments of #55430 contain seven (7) refills comprised of Hillman item numbers #55431 - #55437.