Type Q3 1/2-17/90 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 lug jaws latch and latch steps.
| No. of latch lug jaws | No. of hinge pin hole | Handle OD mm(in) | Max. Torque(KN.m) | Weight(Kg) |
| 1 | 1 | 89-152(3 1/2-6) | 90 | 370 |
| 2 | 127-178(5-7) | |||
| 3 | 152-210(6-8 1/4) | |||
| 2 | 1 | 203-244(8-9 5/8) | 90 | |
| 2 | 270-286(10 5/8-11 1/4) | |||
| 3 | 1 | 298-324(11 3/4-12 3/4) | 55 | |
| 2 | 340-365(13 3/8-14 3/8) | |||
| 4 | 2 | 406-432(16-17) | 55 |
