Get 20 Sets and Recieve 10 Bonus Sets
FreeStyle / Racing - High-Grade 

Specification

Length 5.1"   Hub ID = 5mm  Weight=4.05g

What's in the package?

20 Sets + 10 Bonus Sets (30x Individual Sets)
60x CCW Propellers, 60x CW Propellers

Disclaimer:

Azure Power USA has no control over the use, installation, or maintenance of this product. No liability may be assumed for any damages or losses resulting from the use of the product. Azure Power USA does not assume responsibility for any losses caused by unauthorized modifications to the product.