This is the C6-7 Standard Model Rocket Engines/Motors from Estes. 1615
FEATURES: Upper stage engine Can also be used as a single stage engine in lightweight rockets Engines tested and certified by the NAR Easy to use and comes with clear instructions
INCLUDES: Three C6-7 Engines Three Igniters Four Igniter Plugs
SPECS: Length: 2.75″ (7cm) Diameter: .69″ (18mm)
