90* mount for your MDT MV3 send it level. Our bracket reuses the orignal clamp/base that comes with your MV3 level, also allows you to to mount your level UP, DOWN, LEFT or RIGHT. Bracket offset is .5" from edge of pic rail to inside of level. Modular spacers are availble to provide more offset please see product pictures above. (Bracket and spacers shown in raw aluminum for example only, all orders will ship annodized black.)