Intubating Stylet for the Endotracheal Tube ( Pack of 1 ) The Intubation Stylet is used as an aid to facilitate insertion of the Endotracheal Tube. The product is intended for single use only. Latex-free Made of malleable aluminum covered with a plastic sheath with a lubricated surface Helps reduce friction between stylet and tracheal tube for easy insertion and withdrawal Sheath extends beyond tip to reduce the risk of trauma if the stylet extends beyond tip of tracheal tube.