Fin Guide Rings

Already have the fin holder you need for your new rocket but it's a different diameter? Just order the rings!

Diameters are as follows:

3"FG - 79.3mm

3"CB - 78.6mm

4"FG - 102mm

4"CB - 101.5mm

5"FG - 130.6mm

5.5"FG - 140.34mm

5.5"CB - 140.5mm

6"FG - 156.72mm

*DOES DOES NOT INCLUDE FIN HOLDERS*

*ONLY INCLUDES THE AIRFRAME RINGS*