Soldering Iron Maintenance Kit For Use With 5ZGU9 5ZGV0 5ZGV1 5ZGV2 5ZGV3 5ZGV4 5ZGV5 5ZGV6 5ZGV7 5ZGW0 5ZGW1 5ZGW2 5ZGW3 5ZGW4 5ZHA7 Soldering Iron 5ZGV8 Application Cleaning and Maintenance of Heavy-Duty Soldering Irons Includes Bore Brushes For 1/4 In Through 1-1/8 In Heavy-Duty Irons (5 Total) Material High-Speed Steel Product Type Soldering Iron Maintenance Kit