OK I have gone and drilled my 2 Ti2 Cooling fins by hand. I set up the jig and started drilling. I took my time and it took me about 45 minutes each to drill each fin and to clean all the swarf out between the finsHere is the 2 cooling fin headsHere is a close of the jig with another Sunwayman Ti cooling fins insideJig from the backTrits installedI am now done with drilling my cooling fins...