The Manual Tongs are used for makeup and breakout thread connections of drilling string, or casing and tubing by manual operation during drilling or workover. The tong is constructed by a number of lug jaws and pins with a long arm. By change of lugs or adjusting the pin position can alter the handling size of tong, to meet the pipe size to be handled.
All the main parts of the manual tongs are cast by vacuum method with special alloy steel, and then well heat treated. They possess the characteristics of lightweight, high toughness and strength, high torque rating, wide applicable range, easy for operation and reliable.
Conforming to API specification and API monogram is legally permitted to be used.