Good to have spares, they are only plastic and can crack under heavy use or after a small crash or tip over. Inspect them regularly and replace if needed. Great add on when starting out.
P4 Part 51 Propeller Mounting Plate (2xCW and 2xCCW) 2 Pairs
|P4P Part 79 Propeller Mounting Plate (CW and CCW) **Actual Part Number|
These are the new prop adapters from the Phantom 4 Pro and Advanced, They will work on regular Phantom 4
*image may be different, they have round springs in the center.