A micro mirror unit includes a moving part carrying a mirror portion, a frame and torsion bars connecting the moving part to the frame. One or more voiceprint samples stored in association with the identifying information are selected, and the calling party’s identity is verified based on a comparison of the voiceprint to at least one of the selected voiceprint samples. A key feature is that the free layer is made of a very thin CoFeNiFe composite layer. The blade has one or more diagonal frangible portions to define a diagonal break line. In particular, the handle produces multiple firing strokes in order to reduce the required amount of force required to fire the end effector. The first sleeve is held by the step in the housing, the first sleeve bearing in a seal-forming fashion against the cable and there being a sealing means between the step in the housing and the fist sleeve.