Estes ES1606 B6-4 Rocket Motors Pack of 3

Estes B6-4 Rocket Motors Pack of 3 ES1606
Safe design, precise manufacturing and strict engineering tolerances have made Estes model rocket engines the standard in the industry. Estes engines are safe and reliable, proven in over 50,000,000 launches!
Estes Solid Fuel Rocket Engines B6-4, pack of 3.