Focus unit electric (Focus Unit) rear view the device FBT rear of a ground pin (Ground pin) firmly supports and fixes the device relates to ground pin fixture being manufactured with low ratio of carbon, said focus unit (1) electric one side rear view of a ground pin (2) towards the rear of the vehicle holding pieces (6) are disposed upright is, said holding pieces (6) an engagement groove hemispherical the front wall (7) is formed said ground pin (2) is bent respect to the posterior of a paragraph music end (3). a separation and eccentricity assists in the to secure the supporting. 180, waste chemical liquid used in FBT electric on one side rear view is prevented from being a ground pin, said support arranged at one roughened black the electrical unit from the upside to secure the, is to prevent line according to the recording operation..