Just spotted these this morning, P2 props with red, blue or pink stripes on the tips:
http://1uas.com/DJI-Propeller-9-Self-Ti ... red-Strips
http://1uas.com/DJI-Propeller-9-Self-Ti ... lue-Strips
http://1uas.com/DJI-Propeller-9-Self-Ti ... ink-Strips
http://1uas.com/DJI-Propeller-9-Self-Ti ... red-Strips
http://1uas.com/DJI-Propeller-9-Self-Ti ... lue-Strips
http://1uas.com/DJI-Propeller-9-Self-Ti ... ink-Strips