Coreray's CR-31 Anaesthesia Video Laryngoscope can be used to provoke patients’ glottis and expose epiglottis, guide medical staff to accurately intubate airway for anaesthesia or first aid, and also for oral inspection and treatment. You can choose any blades choice as per your requirement. Message us your blades preferences after making the order. If you don't message us your preferred blades selection, then we will ship by default blades: 2) 7 Blades Options: Miller 00, Miller 0, Mac 1, Mac 2, Mac 3, Mac 4 & D- Blade 3) 11 Blades Options: Miller 00, Miller 0, Miller 1, Miller 2, Miller 3, Miller 4, Mac 1, Mac 2, Mac 3, Mac 4 & D-Blade Often Saturdays, Sundays, and major holidays are not included in transit time estimates. We Strive for 100%Customer Satisfaction and we love to leave po.