... the edge of cutting knife can be shap QZ650 hydraulic paper cutterFUNCTION:1. Digital: digital setting, saving, correcting, and ... with infrared indication, patented double guide and driving digital-controlled paper pushing system, high cutting accuracy.4.LCD: cutting size ... is clear at a glance.5. Hydraulic paper pressing, hydraulic paper cutting, stable and powerful, long useful life.6. ...