... 1200-1700 books/hour Automatic Double Wire Binding Machine KB-520AThis machine is used for notebook,diary,calendar,exercise ... Pitch 1:2,1:3)Max Paper Width520mmMax Binding Width507mmMin Paper Width75mmWorking speed1200-1700books/hourPowder220v/1ph/ ... Compressor1.5kwMachine Dimension1000*760*1230mmFeatures:1.Book binding and wire forming at the same time. ... the book Automatic Double Wire Binding Machine