it is a hydraulic punching unit simplified with a robust closed-ring formed structure in steel. this machine can punch tubular, profiles and flat bars of medium thickness. it can punch up to a diameter of 50 mm and it can......it is a hydraulic punching unit simplified with a robust closed-ring formed structure in steel. this machine can punch tubular, profiles and flat bars of medium thickness. it can punch up to a diameter of 50 mm and it can make blind and through punches. the stroke of the punch is adjustable up to 90 mm. it is furnished with quick coupling punches.