Welders hanging clamp, pneumatically operated, fully water-cooled. They possess a unique circuit cooling of the transformer, of the arms and of the electrodes, with the possibility of adjustment of the stroke work. A rotating assembly that allows easy orientation of the spot welder in any direction you want. The operation can be a point to point or in cadence automatic. Grand opening of the lower arm obtained pneumatically. All models are equipped with a welding control mod. MICROBOX EASY, separate from the machine containing the part power control and circuit differential magnetothermal. The welding control MICROBOX EASY is the synchronous microprocessor controlled diodes to 5 times, offering standard double program and impulses.