This is the C6-3 Standard Model Rocket Engines/Motors from Estes. 1613
FEATURES: Single stage engine Standard engine designed for flights in rockets weighing less than 4 ounces, including the engine Engines tested and certified by the NAR Easy to use and comes with clear instructions
INCLUDES: Three C6-3 Engines Three Igniters Four Igniter Plugs
SPECS: Length: 2.75″ (7cm) Diameter: .69″ (18mm)
