An assortment of carbon brushes and parts for SKIL brand power tools from The Hillman Group. Carbon brushes conduct current between stationary wires and moving parts, most commonly in a rotating shaft. Variants included in full assortment range from 1/4" to 11/16" in diameter. Full assortments of #58669 contain fourteen (14) refills comprised of Hillman item numbers #407683 - #407687, #407690 - #407697, and #407700.