Model: 3520 3.5X2X3 3-Propeller designed Compatible with racing drones. Compatibility: Ideal Compatible with 2204 CW/CCW motors Compatible with enhanced performance. Versatility: Suitable Compatible with 3" Toothpick racing drone setups. Performance: Delivers fast response and agility Compatible with competitive racing. Design: Tri-design offers improved thrust and stability in flight. Durability: Crafted to withstand the demands of -speed racing environments. Value: Package includes 24 propellers, ensuring ample supply Compatible with your needs.