Estes 1522 C11-3 Model Rocket Engine Pack – 2 Engines with Starters & Plugs If you have any doubt

If you have any doubt

Recommended for use with the Tazz

The rounded and sloped walls makes it easy to retrieve parts

DURABLE: You never have to stress about our small adjustable pliers breaking on the job

Estes 1522 C11-3 Model Rocket Engine Pack – 2 Engines with Starters & Plugs If you have any doubtPLEASE NOTE: These are large (24mm diameter) engines that will only fit certain model rockets. Please refer to the instructions that came with your rocket (or the rocket's product description) to determine engine compatibility. Estes C11 3 engine pack includes 2 engines, 2 starters and 4 starter plugs The C11 3 is a single stage engine designed for model rockets with a maximum lift weight of less than 6 ounces. Recommended for use with the Super Mars