4Pcs Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors (3.17mm)(Disclaimer)

Colour: siliver

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Product description

  • Durable Material: The coupling connector is made of 45# steel( it is better than copper and aluminum alloys ), heat and electroplated process make it sturdiness and insulation, striking shaft more stable and easy for installment and replacement.
  • Widely use: used in model shaft connection, perfect accessories for RC Model motor.

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