1.The manual tongs are designed and manufactured in accordance with the API Spec 7K.
2.It is used to make up and break our drill pipes,coupling hoop of the drill pipe,joint,casings,casing hoops etc.
3.Changing the latch lug jaws and handling shoulders can adjust the handing size of the tongs.
4.There are Btype for 3 3/8-13 3/8,SB type for 3 1/2-13 3/8,AAX type for 2 7/8-13 3/8,C type ofr 2 3/8-10 3/4,WWB type for 2 3/8-10 3/4 etc.
Note:Each set has left and right ones.