Rosen Aural Speculum Round End Black (Tip Size: 6mm) (38mm)The Rosen Aural Speculum is a specialized tool used in ear surgeries. It is designed to spread apart the ear canal to allow a surgeon to better access and view the area. The round end of the speculum helps to reduce trauma to the ear canal and the black plating helps to reduce glare from the light source. The 6mm bore diameter and 38mm base diameter are the measurements of the speculum.