Cheap And Discounts Length = 42mm Propeller Blade for S9 S9W S9HW Mini Foldable RC Drone Mini Foldable RC Quadcopter Pocket Drone 901S 901H 901HS Wholesale. Buy Directly From Merchant Kidpower Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.