16PCS 6045 Bull Nose Props ABS Propeller CCW CW for QAV250 ZMR 250 270 280 Quadcopter Multi-rotor Red and Black 6045 Propellers CWCCW for QAV250280 H250 Multirotor Quadcopter Bullnose propeller,Violence racing propellers,large frontal area, suitable for 2204 (or above) motor Well balanced, well-made and durable to sustain crash Material: ABS + glass fiber;enhanced;length 15cm(6 inch);installation aperature:5mm 8PCS CW props+8PCS CWW props included.with orientation arrow marks. easy to install