An assortment of heavy-duty stop & signal automotive bulbs from The Hillman Group. Stop bulbs and signal bulbs are designed for use as replacements when those bulbs burn out. Variants included in this assortment feature a D.C. index base, 2.1amp current capacity, 12.8 voltage, and come in both #2057 & #2057NA brightness levels. Full assortments of #59620 contain six (6) refills comprised of Hillman item numbers #59621 & #59622. Includes four (4) refill boxes of #59621 and two (2) refill boxes of #59622.