There are scratches on the thread. I do not have specialized knowledge, so I do not know the details. This item will be handed over as is, so please check the condition carefully in the photos. If you have any questions or concerns, please feel free to ask ^ ^ Thank you for your consideration. *In the unlikely event that there is a defect on our part that warrants a negative evaluation, we will respond sincerely, so please contact us before leaving feedback m(_ _)m We will not be able to respond after the evaluation. 2601111-03EZ 020908K