... square rails, double four slider, loading capacity, smooth operation, high precision, long life, the knife with precision steel ... code,HPGL,U00,mmg,pltOperating systemDSP(with separate operation cabinet)InterfaceUSBFlash Memory128MDiameter of cutterφ3.175-φ12. ... engineers give 24hours service on Internet and Telephone, free instructions and problem solving3) Free training to make sure ...