Precision pneumatic shears is improvement over by the Italian production line, the whole device using steel casting, parts are annealed by heat treatment, it’s repeated prolonged use of high precision equipment, many large well-known transformer manufacturers one of the most important equipment. This precision shears for high-speed cylinder drive, when it action,it up to 50 times per minute, ceramic alloy blade, after the vertical cut silicon steel cut burr-free, straight, normally ,use it six month to a year don’t need mill knife.