I got the Airy II blades also from RCHelicoptershop.com in HongKong. They subbed them in when they took out a few things that I had multiples of (battery CHARGER, wall socket etc). But I found that with their more flexible nature - the slightest breeze would cone the blades and they were only good for indoors (BB arena) Tell me more re. this metal head upgrade? I haven't seen one that would fit yet!

Peter