The close quarter 120 degree dimple dies Bob Avery custom made for DOG Aviation.
Fortunately, Bob Avery from Avery Tools was willing to make the 120 degree dimple dies special for me. In fact, Bob told me he was wondering how long it was going to be before somebody building an RV-12 with flush rivets was going to ask for those specialty dimple dies. Anyway, Bob quickly made them up and sent them right out. The close quarter dies were tested last week and they make perfect dimples … Thank you Bob!