The Shark Automatic, suspended and compact machine mounted on gyroscopic support that allows it to rotate at 360°; is used in particular in sector of ventilation and air ducts. Our clinching machine has an automatic opening system using a button located on the handle. The button automatically permits to obtain a wide opening in order to overcome the folded metal sheets at right angle and overall dimensions in general. It is recommended especially in the sector of ducts for the ventilation. It performs trapezoidal clinching points up to n° 3 sheet metal layers of thickness 1,2 mm and round clinching points on n° 2 sheet metal layers with a thrust of 35 kN.