Measurement of blade vertical height
| Blade size | Conventional laryngoscopes Vertical blade height (mm) | Videolaryngoscopes Vertical blade height (mm) | ||||
| TIMESCO Callisto | PROACT Metal max combi set | PROACT Metal max 100 | ACTURONIC InfantView Re-usable | Storz C-MAC Re-usable | Storz C-MAC Single use | |
| 1 | 12.9 | 10 | 10.5 | 7.3 | 7.4 | 7.4 |
| 0 | 11.5 | 9.5 | 10.2 | 6.6 | 6.5 | 6.8 |
| 00 | 11.1 | 9.2 | 9.7 | 6.2 | – | – |