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Review on πŸ”§ 4-Piece Set of 6mm Flange Coupling Connectors - Rigid Guide Model Coupler for DIY RC Model Motors, High-Quality Shaft Axis Fittings by Drew Diaz

Revainrating 5 out of 5

They did the job for the flange nuts

I needed a way to connect a small 5v motor to the ROKR Marble Run puzzle. These connection flanges fit a 3.5mm diameter motor shaft and provide an easy way to attach to the crank. They came with two set screws for each of the four flanges, although one was missing. It didn't matter because I didn't need them anyway. I have three unused flanges in case anyone needs them.

Pros
  • test for a year
Cons
  • quality