This is a spare DJI propeller for a drone.
From Amazon
DJI Mavic 3 Series Low-Noise Propellers (Pair), Compatibility: DJI Mavic 3 Pro, DJI Mavic 3 Pro Cine, DJI Mavic 3 Classic, DJI Mavic 3, DJI Mavic 3 Cine
Conrad Electronic
DJI 2-blade Multicopter rotor set CP.MA.00000424.01 DJI Mavic 3, DJI Mavic 3 Fly More Combo, DJI Mavic 3 Cine Premium Combo
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