They are spare propeller blades 4 black with the removal tool.
Propellers Blades x4 Drones Upgraded Replacement RC Drone for x5SC
Airhogs Hyper Drift Drone Propellers for and instructions.
16 PCS Universal Drone Propellers, Low-Noise Quick-Release Foldable Replacement Blades, Durable Spare Parts Kit Compatible with Most Drones E25/ K911/ S115/ S115PRO/ S119.A17/S132/ F167/X28/ X26/S162
PartyKindom 4pcs Induction Aircraft Blades Propellers Rc Plane Propeller Airplane Accessory
NQEUEPN 3 Sets Spare RC Plane Propellers 3 Blades, Toy Propeller Plane Part Remote Control Airplane Propeller Replacement Compatible with P40 Fighter 761-13 Radio Controlled, with Adapters
ZHUROUPU for DJI Mini 4K/Mini 2/Mini 2 SE/Mini SE Propellers, 16 Pcs Replacement Prop Blades Low Noise Quick-Release Wings for DJI Mini 4K 2 SE Drone Repair with Screws and Screwdriver (orange)
