YD-820P Speed:68 times/per minute Power:AC380/3ph/50HZ/0.75km Dimensions:800*538*938mm Net Weight:125kgs 1.Specially used for punching the holes for the papers and carbon board of calendars and note books 2.Easily adjust the size of paper and side margin 3.Change the punching molds for different punching holes and pitches 4.Manually feed the paper into the punching area and trample the foot switch to start punching.