Type SDD Manual Tongs are designed and manufactured according to API Spec 7K which is used for making up and breaking out drill pipes, casing etc. It can be adjusted by changing latch lug jaws and handling shoulders
| No. of Latch Lug Jaw | No. of Hinge Pin Hole | Latch Step | Size Range (in) | Rated Troque (lb-ft) |
| 1# | I | 1 | 4 - 5-1/2 | 100,000 |
| 2 | 5-1/2 - | |||
| II | 1 | 5-1/2 - 6-5/8 | ||
| 2 | 6-1/2 - 7-1/4 | |||
| III | 1 | 6-5/8 - 7-5/8 | ||
| 2 | 7-3/4 - 8-1/2 | |||
| 2# | I | 1 | 8-1/2 - 9 | |
| 2 | 9-1/2 - 10-3/4 | |||
| II | 2 | 10-3/4 - 12 | ||
| 3# | I | 1 | 12 - 12-3/4 | 70,000 |
| II | 1 | 13-3/8 - 14 | ||
| 2 | 15 | |||
| 4# | II | 1 | 15-3/4 | 60,000 |
| 5# | II | 1 | 16 | |
| 2 | 17 |
Type DB Manual Tong (HT-65)
DB Manual Tong is used for making up or breaking out the screws of drill tools and casing joint or coupling. It can be adjusted by changing latch lug jaws and handling shoulders.
| No. of Latch Lug Jaw | No. of Hinge Pin Hole | Pipe Size (in) |
| 1# | 1 | 3-1/2 - 6 |
| 2 | 4-1/2 - 7 | |
| 3 | 5-1/2 - 8-1/4 | |
| 2# | 1 | 8 - 9-5/8 |
| 2 | 9-5/8 - 11-1/4 | |
| 3# | 1 | 11-3/4 - 12-3/4 |
| 2 | 13-3/8 - 14-3/8 | |
| #4 | 2 | 16-17 |
Type B Manual Tongs (HT-55)
B Manual Tong is an essential tool in oil drilling operation to fasten or remove the screws of drill pipe and casing joint or coupling. It can be adjusted by changing latch lug jaws and handling shoulders.
| No. of Latch Lug Jaw | Latch Step | Size Range (in) | Rated Torque (lb-ft) |
| 1# | 1 | 3-1/2 - 4-1/8 | 55,000 |
| 2 | 4-1/8 - 5 | ||
| 2# | 1 | 4-1/4 - 5-1/4 | |
| 2 | 5 - 5-3/4 | ||
| 3 | 6 - 6-3/4 | ||
| 3# | 1 | 6-5/8 - 7-1/4 | |
| 2 | 7-3/8 - 8 | ||
| 3 | 8-1/2 - 9 | ||
| 4# | 1 | 9 - 9-5/8 | 40,000 |
| 2 | 10-5/8 - 10-3/4 | ||
| 5# | 1 | 11-3/4 | |
| 6# | 1 | 12-3/4 - 13 | 30,000 |
| 7# | 1 | 13-3/8 |
HT-50 Extended Head
Type B Casing Tong is capable of making up or breaking out the screws of casing and casing couplings in drilling operation.
| Pipe Size (in.) | Rated Torque (lb-ft) |
| 13-3/8 - 14-1/2 | 25,000 |
| 14-1/2 - 16 | |
| 16 - 17-1/2 | |
| 17-1/2 - 19 | |
| 19 - 20 | |
| 20 - 21-1/2 | |
| 21-1/2 - 23 | |
| 24 - 25-1/2 | |
| 25-1/2 - 27 | |
| 27 - 28-1/2 | |
| 28-1/2 - 30 | |
| 30 - 31-1/2 | |
| 31-1/2 - 33 | |
| 33 - 34-1/2 | |
| 34-1/2 - 36 |