Norelco NT9110 Precision Trimmer Floorstand Display The Norelco NT9110 Precision Nose and Ear Trimmer uses revolutionary patented precision trimming technology that guarantees no pulling as well as effortless nose and ear hair trimming. It can also be used on eyebrows. The NT9110s Tube Shave technology makes nose and ear hair trimming safe fast and easy. The ultra sharp closed cutting system avoids pulling for a more comfortable trimming experience. The guarded system also protects against nicks and cuts. This unique and patented tube technology integrates a miniature trimming head for increased visibility maneuverability and precision.