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More information:
Where did you buy them? Did you ask them?
What are the dimensions of the blades?
Are there any other markings on the blades besides the "TZ"?
Hard to tell anything with that finish on them.
Based on the "TZ" marking, they're probably TZ Heli fiberglass blades, not CF. The TZ is a Raptor clone made in Asia (i.e. China).
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