Use the electrode to either A) stick and pull, or B) weld studs or wiggle wire for hand pulling. Unit is battery operated for maximum portability, yet has amperage output equal to 220V shop models! Pulls hundreds of times on a single charge. Excellent shrinking capabilities. Includes control handle with shrink tip, automatic timer, 10ft. leads, dent pulling bar, nail and stud adaptors, extra electrodes and more. Truck Ship. U.S.A.