Estes PS II 24mm -29mm Motor Adapter/2 sets 9753

This is one 24mm to 29mm Motor Adapter, for Model Rockets, (2 sets) by Estes Rockets. Please note in store availability and pricing may vary. Adapts Estes 24 mm C11/D, Estes 24 mm E and Estes E30 series Composite engines to a 29 mm Estes casing size. Also adapts other brands of 24 mm composite single use and RMS motor systems. 2 sets per package. Includes orange paper adapter tubes, as shown, and are designed for reuse over and over.