This is a pair of Carbon Fiber 10×4.5″ propellers. These carbon fiber propellers are more durable against breaking than plastic propellers. These propellers are rigid, resisting flex and are able to cut through the air without a lot of turbulence. These propellers come with shaft adapters. Order two of these pairs for your quadcopter.
The pair includes one pusher and one tractor propeller.
Note: Pusher propellers rotate clockwise and Tractor propellers rotate counterclockwise.