The most popular of the curved blade profiles. Satin Macintosh Fiberoptic Blades feature: Stainless steel construction with Satin non-glare finish Fiberoptic light transmission provides cool, obstruction free viewing 2.5v Halogen illumination for true tissue color and long lasting lamp performance Removable light pipe facilitates cleaning and service Color coded green to signify compatibility ONLY with fiberoptic handles Fully compatible with all major brands of laryngoscopes conforming to ASTM F965 or ISO 7376