ALZRC Devil 505 FAST RC Helicopter Metal Radius Arm Set Red Third Powerful propeller:the model is equipped

Powerful propeller:the model is equipped with twin screw

thank you so much

Product Weight: 16g

suitable for cross-country running

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ALZRC Devil 505 FAST RC Helicopter Metal Radius Arm Set Red Third Powerful propeller:the model is equippedDescription: 6061 T6 Aluminum CNC Maching. Compatible Devil 505 FAST. Package Included: Radius Arm x 2 Radius Arm Rod x 2 Flange Bearing(2. 5x6x2. 5mm) x 8 Collar(2. 5x4x2. 65mm) x 2 Collar(2. 5x4x6. 3mm) x 2 Socket Head Screw(M2. 5x14mm) x 2 Socket Head Screw(M2. 5x18mm) x 2