2 Pieces APC Style SF9047 9X4.7Slow Fly Propeller Blade CW CCW For RC Airplane     Description:   Item Name: APC SF9x4.7 Slow Fly Propeller     Length: 9 inches      Pitch: 4.7 inches      Quantity:2     Color: Grey     Weight:9g \/ Piece   Type: Clockwise(CW)、 Counter Clockwise(CCW) Optional    These are the 9x4.7 propeller for Electric Flight by APC. Plastic propeller for RC airplane. This shape is constructed for Slow Fly applications.       Package Included:   2 x 9x4.7propeller