Quickly locate and install LMB-08 brackets with the LMB-089 Installation Tool. Brackets are screwed to installation tool to prevent them from slipping off during installation. Once brackets and tool are inserted into door channel, brackets are rotated 90 degrees and will lock in the correct position for installation. Simply slide tool to top of the faceplate cutout, tighten bracket in place, remove the holding screw, slide tool to bottom of cutout, tighten bottom bracket, and remove holding screw and tool.