Originally Posted by
Andrew R Stewart
Brandon- Keying will set the drop out's slot angle, relative to the stay/blade. The key fits within the slot. A round one will let the drop out pivot freely about the axle. This speaks to your build process and what a little time is worth each time you do this stuff. Andy
Thanks Andrew, that's what I thought, but I wasn't completely sure as I'm not that far along yet. Makes total sense to have the keyed.