Stay away from these
I bought these to go on my Armattan F1-6. I put on a brand new set of these and flew 11 packs. Everything was great then on the 12th pack, the prop on the right rear motor broke off a blade at the hub which sent my quad into the concrete upside down. This busted two new T-Motor F60s, smashed a new Graphene 4S lipo, broke the top plate, broke the FPV antenna, and killed the flight controller. Expensive lessen learned on trying these props. Now I have 4 unused sets of these that I will never use because I cant trust them. I would avoid these like the plague.
Reviewed by: (Verified Buyer) Paul from Longview, TX.