thanks a lot for the reply! And the good news
I want to use this blades with the "SM CN1105 SCALE DAMPING 5 BLADES ROTOR HEAD FOR 30/50/600 SIZE", but the blade root are 16mm, and the bolt holes 5mm....
You can make the 5mm hole in the blades? Maybe do you have the washer for the blades root?
5mm screw is easy after i special match you a set of the blades . but 16mm can you find the spacer ? you can find funkey blades also come with some