Type AAX manual tong (Web Wilson type) 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.

1# latch lug jaw size range: 2 7/8"-3 3/4". Rated torque: 55KN.m.

2# latch lug jaw size range: 3 1/2"-4 1/2". Rated torque: 55KN.m.

3# latch lug jaw size range: 4 1/4"-5 1/4". Rated torque: 75KN.m.

4# latch lug jaw size range: 5"-7". Rated torque: 75KN.m.

5# latch lug jaw size range: 6 7/8"-8 5/8". Rated torque: 75KN.m.

6# latch lug jaw size range: 9"-10 3/4". Rated torque: 40KN.m.

7# latch lug jaw size range: 10 3/4"-11 3/4". Rated torque: 40KN.m.

8# latch lug jaw size range: 13 3/8". Rated torque: 40KN.m.