These are not your ordinary cheap black props. They are carbon fiber reinforced nylon.
They weight 14.5 grams each as opposed to 11 grams for the regular black EPP ones (and composite)
Packet includes one Pusher and one Puller, EPP 12x4.5 Style.
Adapter rings for different size shafts. Used on Quad/Hexa and Octo copters.
These propellers are stronger than black or gray versions.
Packet Contents: 2 x 12x4.5 Propeller: 1 x CCW propeller, 1 CW propeller
Material: Carbon fiber reinforced nylon
** Will not ship in bulk padded envelope...