BTG 8PCS Carbon Fiber Reinforced Self-tightening Propellers for DJI Phantom 3 Professional Advancedand and Standard Spare Part Main Blades Color: Black with Golden Strip Light weight:13g/pc Size:9.4x5.0 inch Material: Carbon Fiber Reinforced, more during and flexible Compatible with DJI Phantom 3 Professional Advancedand Standard and Phantom 2 Package including: 4pcs CW; 4pcs CCW