2 Pairs DALPROP J4045 PC Propeller CW CCW For QAV180 QAV210 240 RC Multirotors    Description: Band Name: DALPROP Item Name: J4045 Propeller Length: 4 inch Pitch: 4.5 inch Material: PC (Poly Carbonate) Weight: 1.8g Hub Id Dia: 5.02mm Hub Thickness: 6.38mm Adapter Rings: no Color: optional white、 black、 green、 orange、 blue、 purple、 yellow、 red Suit for QAV180 QAV210 240 etc. RC multirotors. Excellent balance、 low vibration、 unbroken   Package included: 2 x CW J4045 Propeller 2 x CCW J4045 Propeller