Set of 4 nuts for R-FLYER HD propellers

This set of nuts will allow you to securely fix the propellers of your drone.

You have 2 nuts for clockwise rotating propellers and 2 nuts for counter-clockwise rotating propellers. You have to install the right nuts on the corresponding arms by hand, tightening well so that your propellers are well in place.

These nuts are compatible with R-FLYER HD and DR-SKY HD drones.