... make all kinds of folding secret letters² Folding pattern: Z, C, V, EV, EZ shape foldSpecification of Pressure Sealer MachineModelRD-610/RD ... advancePaper weight80-120gsmPaper sizeA4 legal letter or special standardFold patternZ, C, V, EZ, EVPaper feeding styleRD-610 paper separate automatically, paper supply ...