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Quantity
1
Description
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:
2.2"CB - 57.4mm
2.6"CB - 67.35mm
3"FG - 79.3mm
3"CB - 78.6mm
4"FG - 102mm
4"CB - 101.5mm
4.5"FG - 114.5m...
