Much stronger and durable than stock blades - AX-02 Harden BladeAIRY Harden Blade II (AX-02) is definitely the best upgrade for your helicopter. This pack has Four pieces of blades, with same direction, the means you have Two pairs per pack. It is:Extremely Tough ( 300% stronger than stock blade )Elasticity ( better protection for blade clamp, shaft, gear and motor )Light Weight ( do not affect performance )Easy to install ( no modification required )
What is the material of AIRY Harden Blade II?We tested dozens of raw material, spent about 3 months in the Lab (It's True!), and developed a mixture that combines the strength and rigidity of the acrylonitrile and styrene polymers with the toughness of the polybutadiene rubber. The most important mechanical properties of STORM material is toughness and impact resistance.
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