F27-04R and F27-04L Right and Left Hand #4 Vertical Channels.
Today I tried using the Die Grinder with 1/4" Dia X 3/4" Long point to smooth out the rough cut outs to their final size. I found that it did not work as well as using files. I think I will go back to the files for the rest of the channels. I also used the files to debur the edges and the larger holes. I then deburred all the pilot holes.


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