M5 CW Aluminum Low Profile Lock Nut (Red) (4) by RMRC
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This product was added to our catalog on July 12, 2016.A package of four lightweight aluminum 5mm Prop Nuts. Aluminum lock nuts are preferred over steel for their lower weight, which will reduce the all up weight of the model, and allow the motor to handle RPM changes quicker than steel nuts. Additionally, nylon is built into the nut to allow extra security ensuring your prop nuts will not back off.