Facing Chart Bass Clarinet
| 4 | 1.7 mm | .067 inch |
| 5 | 1.8 mm | .071 inch |
| 6 | 1.9 mm | .075 inch |
| 7 | 2.0 mm | .079 inch |
| 8 | 2.1 mm | .083 inch |
| 9 | 2.2 mm | .087 inch |
| 10 | 2.3mm | .091 inch |
| 4 | 1.7 mm | .067 inch |
| 5 | 1.8 mm | .071 inch |
| 6 | 1.9 mm | .075 inch |
| 7 | 2.0 mm | .079 inch |
| 8 | 2.1 mm | .083 inch |
| 9 | 2.2 mm | .087 inch |
| 10 | 2.3mm | .091 inch |