... 30mm,,the pucnhing hole is small,beautiful,strong,economy ZD-6300 binding machine1,6300 binding machine is simple,fast, ... move up and down,it’s not easy become bend.8,double handle ,specicall structure punching materials:papers Binding times ... (phase,0,ground Heating time :4minVoltage :AC220V±5% 50HZMargin:8-24mmPower:160WPunching&bing thickness:under 30mmCurrent:0.3Adimension310x199x469mm(handle press ...