This lighted stylet aids in proper placement of endotracheal tubes without directly visualizing the vocal cords. SLOT and NLOT come with a sliding adaptor that allows the light to be used with many different size tubes. Smaller PDOT fits 4.5 tube or 4.0 with lubrication. Includes a protective coating over the entire neck assembly and bulb housing for extra safety.- Orotracheal Stylet, Sterile (Symmetry Lighting Items are not Available to the Dental Market) Stock Item