Hobbylane Pairs Nylon Propellers Prop Blades Set A Plus B for Yuneec Typhoon Q500+, Q500, 4K RC Quad Copter Drone Spare Replace Parts 2CW/2CCW Rotor Blades, White Yuneec white propeller rotor blade sets a and b for q500/q500+/q500 4k Durable and lightweight, a must for beginners and junior users Keep your Q500, Q500+ or Q500 4k looking and functioning with style using this complete set of rotor blades No tools required, self-tightening design, simply rotate the propellers by hand to attach or detach Works as a backup, a replacement, or an upgrade