Estes Standard to D Engine AdapterTower Stock# ESTT2317 • Manufacturer Stock# EST2317
Suitable for Ages 10 & Older with Adult Supervision for Those Under 12.
Two simple steps transform a standard engine into a D size
3 standard to D engine adapters
Due to small parts that could cause a choking hazard please keep
For your safety and enjoyment, always follow the NAR Model Rocketry