Are metal beehive frame spacers allowed in hold luggage when flying from EU to the States?

Are metal beehive frame spacers allowed in hold luggage when flying from EU to the States? - Top view of fashion spectacles with transparent optical lenses in golden metal shell placed on white table

Can I bring beehive frame spacers with me to the USA as hold luggage?

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And on the flights to the USA, are these not allowed as carry on baggage?






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Are metal beehive frame spacers allowed in hold luggage when flying from EU to the States? - Stylish various eyeglasses for vision correction
Are metal beehive frame spacers allowed in hold luggage when flying from EU to the States? - From above of fashion spectacles for vision with golden and silver metal shells placed on white table
Are metal beehive frame spacers allowed in hold luggage when flying from EU to the States? - Drone flying near green trees in forest





Adding Spacers to Migratory Covers




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Images: Karolina Grabowska, Karolina Grabowska, Karolina Grabowska, Pok Rie