Neewer&reg; 10 Pairs 5030 (50x3) Airplane 2-Blade Propellers for 250 Size Quadcopters, Drones, and multirotors - Perfect for 210mm to 300mm frames (5 Pairs Orange + 5 Pairs Green) 10 pairs 5030 Airplane 2-blade propeller props 50x3 CW multi-copter quad-rotor(5 pairs orange + 5 pairs green) Model:5030 Shaft:5MM Quantity: 10 pairs Color:Orange + Green