Thread Gauge Feelers Size 9. Ball diameter 2.050 mm. Orientation locking pin parallel
Technical data
| Ball diameter | 2.050 mm |
| Ball constant | 13.00 mm |
| Number of balls | 2 |
| Orientation locking pin | Parallel |
| Locking pin Ø | 1 mm |
| Ball material | Ruby |
| Ball class | Grade 6 |