Nose and ear hair clipper from ZWILLING is the best precision tool with rotating blade. Continuing to press the handle repeatedly with the fingers activates an inner cylinder which being sharp toward the part that penetrates the nose the hairs will be cut off at once. There is no cutting in any way. It is easily disassembled for cleaning. The included brush is useful for cleaning the cutting slits from time to time. It measures 50x30 mm.