24 mm

24mm size, fits BT50 Body Tubes or 24mm engine tubes
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C11-3 Model Rocket Engines (3) Estes 1622C11-3 Model Rocket Engines (3) Estes 1622$10.99
D12-0 Model Rocket Engines (3) Estes 1665D12-0 Model Rocket Engines (3) Estes 1665$12.99
D12-3 Model Rocket Engines (3) Estes 1666D12-3 Model Rocket Engines (3) Estes 1666$12.99
D12-5 Model Rocket Engines (3) Estes 1667D12-5 Model Rocket Engines (3) Estes 1667$12.99
D12-7 Model Rocket Engines (3) Estes 1668D12-7 Model Rocket Engines (3) Estes 1668$12.99