The Dynarex Intubating Stylettes (20/Box) assist with endotracheal intubations, including blind intubations. These Intubating Stylettes are made of rigid aluminum wire within a flexible plastic sheath, helping reduce friction between the stylettes and tracheal tubes. The stylette slides into the endotracheal tube, and with a gentle curve it guides the tube into the patient's airway. Customers can choose between 4 sizes: 6 FR, 10 FR, 12 Fr, and 14 FR.