Self-Tightening Propeller 9" Prop 4Pcs for DJI Phantom 2, Phantom 2 Vision, Phantom 2 Vision+ Quadcopter - White Model: 9450. Compatible with DJI Phantom 2, Phantom 2 Vision, Phantom 2 Vision+ quadcopter Length: 9.4''; Weight(g): 23.87/2pcs 9" Self-tightening design Package included: Counter-clockwise (CCW) Propeller x 2; Clockwise (CW) Propeller x 2 Free touch screen stylus pen is included (Random color shipped)