An assortment of grade 5, left hand-thread, hex cap screw variants from Hillman. The screws in this assortment are threaded for left-hand turning when installing and removing. Variants included in this assortment feature coarse 1/4"-20 screw thread and range from 1" to 3-1/2" in length. Full assortments of #46221 contain six (6) refills comprised of Hillman item numbers #393577 - #393582.