Gemfan 12 Pair ABS 5030 2 blade Propeller CW CCW for DIY FPV Racing Racing Quadcopter Frame Like QAV250 ZMR280 Robocat 270mm Quadcopter Guarentee Geuine Gemfan, ABS Material, high quality Suite for DIY FPV Racing Mini 250mm-300mm Quadcopter 5mm hole drilled in the front side of the hub Multicolor: Yellow, black orange green white red Ship to USA VIA USPS first class priority mail, delivery date 5-10 days