Weber Tools Brush set 38-piece Suitable for cleaning injector holes. threads. etc. Contents: - 12 Nylon brushes Ø 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19mm - 12 Steel brushes Ø 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19mm - 12 Brass brushes Ø 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19mm - Handle - Extension application: Tube brush Warranty: 2 years