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Zinc Long Square Keys Assortment (5/16" thru 1/2")Hillman Item #45971
An assortment of square keys from The Hillman Group. Square keys are small bars of any length with similar height & width. They are inserted between a shaft and a hub to prevent relative rotation. Variants included in this assortment range from 5/16" to 1/2" in diameter and come in lengths of 3" & 6". Full assortment contains seven (7) refills comprised of Hillman item numbers #45972 - #45974 and #409014 - #409016. Full assortment features two (2) refill boxes of item #409014.