Tongs za Mwongozo ni zana muhimu zinazotumiwa kutengeneza na kuvunja mabomba.Kubadilisha taya za lug na hatua za latch zinaweza kurekebisha ukubwa tofauti wa kushughulikia wa vidole.Zimeundwa na kutengenezwa kulingana na API Specification 7K kwa ajili ya kuchimba visima na vifaa vya kuhudumia visima.
| No.of Latch Lug taya | Hatua ya latch | Saizi ya Ukubwa | Iliyokadiriwa Torque kN·m |
|
| katika | mm | |||
| 1# | 1 | 3-1/2~4-1/8 | 88.9 ~104.78 | 75 |
| 2 | 4-1/8~5 | 104.78~127 | ||
| 2# | 1 | 4-1/4~5-1/4 | 107.95~133.35 | |
| 2 | 5-5-3/4 | 127 ~146.05 | ||
| 3 | 6-6-3/4 | 152.4~171.45 | ||
| 3# | 1 | 6-5/8~7-1/4 | 168.28~184.15 | 75 |
| 2 | 7-3/8~8 | 187.33~203.2 | ||
| 3 | 8-1/2~9 | 215.9~228.6 | ||
| 4# | 1 | 9-9-5/8 | 228.6 hadi 244.48 | 55 |
| 2 | 10-5/8~10-3/4 | 269.88~273.05 | ||
| 5# | 1 | 11-3/4 | 298.45 | |
| 6# | 1 | 12-3/4~13 | 323.85~330.2 | 40 |
| 7# | 1 | 13-3/8 | 339.73 | |