... steel forgings, and long service life. 3. Surface of the main components are used nitride technology, wear and corrosion ... the opening of the first, free undocked from the drill pipe, mobile. 7. Main dorsal clamp and clamp a combination pliers, without ... cards bear joint reliable. 10. Transferred to the cylinder, without artificial push-pull pair of pliers. 11. Optional hydraulic hoists extinguishers. ...