Quad Wrench with Built in One Way Bearing Tool
M3 M5 Nut Screw Wrench Quick Release Propeller Motor Tool for RC Drone FPV Racing
With the one way bearing, there is no more hassle when tightening or loosening the M5 self lock motor nut.
All you need to do is to keep tightening till it’s done.
Moreover, lengthen socket will protect your fingers against the nut or sharp of the prop.