| Series | Piece | Piece height (cm) | Theoretical thicknesses key (cm) |
Real thicknesses key, mean value(cm) |
|---|---|---|---|---|
| A | 1 | 14.0 | 2 | 1.98 |
| B | 1 | 14.0 | 2 | 2.01 |
| 2 | 14.0 | 2 | 2.00 | |
| C | 1 | 15.0 | 3 | 1.89 |
| 2 | 15.0 | 3 | 3.12 | |
| 3 | 15.0 | 3 | 3.10 | |
| D | 1 | 15.0 | 3 | 2.25 |
| 2 | 15.0 | 3 | 2.33 | |
| 3 | 15.0 | 3 | 2.21 | |
| E | 1 | 16.0 | 4 | 4.35 |
| 2 | 16.0 | 4 | 4.73 | |
| 3 | 16.0 | 4 | 4.10 | |
| F | 1 | 15.0 | 3 | 2.67 |
| 2 | 15.0 | 3 | 3.47 | |
| 3 | 15.0 | 3 | 3.18 |