These look great and exactly what zi need to position those flimsy paper centering rings. However, I haven't used these yet, I just retired and returning to the hobby so I'm building minimal 13mm & 18mm diameter rockets right now to "awaken" my skills, but... I have a Big Bertha and a SuperBird hanging on the wall and very excited about using these very soon.
These adapters are really amazing. I am looking forward to using these during the fall launches.
I love it but unfortunately it never came
I bought the Roy's Rockets 🚀 fin jig as I am very old about fin alignment on my rockets. The fin jig worked perfectly and was really easy to use. I am very happy with this tool.
