| Diameter | Triblet ø 50 | Triblet ø 60 | Triblet ø 68 |
| D (mm) | 45 | 50 | 50 |
| D1 (mm) | 50 | 60 | 68 |
| d (mm) | 15 | 21 | 26,8 |
| L (mm) | 372 | 390 | 350 |
| Connection thread | SVJ 33 | SVJ 42 | SVJ 50 |
| Diameter | Bells SVJ 33 | Bells SVJ 42 | Bells SVJ 50 |
| D (mm) | 60 | 71 | 88 |
| D1 (mm) | 52 | 60 | 70 |
| d (mm) | 56 | 61,7 | 77 |
| d1 (mm) | 47,6 | 50 | 61,6 |
| L (mm) | 210 | 300 | 310 |
Emergency podgers and bells are used for elimination accidents in the boreholes. They are made from special steel, heat treated to the required hardness in the core.
Záchranné tŕne a zvony sa používajú pri odstraňovaní havárií vo vrtoch. Sú vyrobené zo špaciálnej ocele, tepelne spracované na požadovanú tvrdosť a pevnosť v jadre.
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