An assortment of chrome ball bearings from The Hillman Group. Chrome ball bearings are most useful in drawer slides. Parts are corrosion resistant and more durable than carbon ball bearings. They are preferred over the ordinary carbon steel ball. Variants included in this assortment range from 1/16" to 5/16" in diameter. Full assortments of #58660 contain seven (7) refills comprised of Hillman item numbers #58117 - #58120 and #394856 - #394858.