Hobbypower 5050 Propeller CW CCW for Mini 250 Quadcopter QAV250 Robocat 270 TL250 TL280 FPV250 Quad B+G (pack of 4 pairs) Great upgrade for 250-300 size Mini quadcopter drone. Suitable for 1806 / 2204 /2206 / 2207 size motor. Propeller5050 / 5x50 Shaft: 5MM Color: Green / Black