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14mm hex hub
The convenient 4/5mm bullet plugs allow convenient charging of packs with either size receptacle
Great for sealing model boat hulls
Improves steering responsiveness and rigidity
A3-4T Model Rocket Engines (4pk) Skid Plates 14mm hex hubThe Estes A3 4T is a single stage engine designed for model rocket flight. It is a mini engine designed for flights in lightweight rockets. Each package includes 4 engines, 4 starters, and 4 starter plugs.
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