38mm to 54mm adapter for use with Aeropack 54 mm motor retainers only.
- Ready to use!
- Precision Machined and Type II Black Anodized 6061-T6 Aluminum
- A3854 Fits 38mm Motors to Rockets with 54mm Retainers
- No Need To Buy a Separate Motor Retainer
- Everything Slides In & Out Easily with No Friction Fitting
- Adapter and Motor Install in Seconds
- Motor is Retained from Moving Forward or Backward