This is an original Craftsman replacement part. The carbon brush is designed by the manufacturer for use in a router. This part is a complete carbon brush assembly with attached metal connector wires, and it is used to supply the armature with electricity. Please note that there are two carbon brushes in the machine; you may wish to re...Read moreplace both at the same time for even wear. You may require a screwdriver when replacing this item. This part is sold individually.