An assortment of pointer, dial control and ball knobs from Hillman. These knobs are recommended for use as replacement parts for missing or broken control and instrument knobs in various applications. Included parts vary in diameter from 11/16" thru 2" and are constructed from high-quality materials which offer a high resistance to corrosion. Full assortments of #55247 contain eight (8) refills comprised of Hillman item numbers #55248 - #55255.