Dragonfly Bulletproof Bullnose 4045 Green Propellers 4 Pair for ZMR180 Mini Quadcopter Specially designed for mini multirotors, like ZMR180. They are composite props with a slight change in mixture Size: 4*4.5 Quantity: 4 pairs( 4pcs CW + 4 pcs CCW) Corlor: Green