gouduoduo2018 16pcs 8pairs Tri-Blade 5045 3D Props 3 blades Bullnose The "Indestructible" Propellers For Mini QAV250 ZMR250 270 280 300 Quadcopter 5045 3D Tri-Blade Bullnose propeller,Violence racing propellers,large frontal area, suitable for 2204 (or above) motor Unique design:Efficient,Smooth,Start fast,Save electricity greatly extend the flight time,Good flexibility and stability of the wing Use for Mini Quadcopter Multi-rotor Material: PC + glass fiber 8pairs/lot (8 CW,8 CCW); Color:Black & Red & Orange & Green(Each color 2 pairs)