Features: 100% Brand new and high quality! One pair of 1047 carbon fiber propellers for quadcopter More strength light weight High efficient self-locking carbon fiber propeller High hardness and elastic deformation is very small which can increase the flexibility of the aircraft stable connection easy to install good for each blade. Specifications: Color: grey black Material: carbon fiber Size: 10"*4.7 Package included: 1 x CW Propeller 1 x CCW Propeller 2 x Rubber Ring