These are simple tools to use when mounting or removing props from motors on the OpenRC 220 FPV Mini Quad.
The spanner can be stored in the handle of the wrench so you won´t lose it when not in use.
Watch the video the see how it´s used. https://www.youtube.com/watch?v=jBq1oGuh6wo
Swedish CadCam addict hooked on 3D printing.
3D Printing evangelist and Open Source advocate.
Author of The OpenR/C Project and The OpenRailway Project.