This is a decluttering sale. The pads probably need to be replaced. No overhaul has been done. Everything in the pictures is included. 【※Items not in the photos are not included】 I do not have specialized knowledge or technical expertise, so I cannot answer detailed questions about this product. Please judge based on the photos as it has been stored at home. Please refrain from purchasing if you are sensitive to such things. To prevent swapping, returns, refunds, and exchanges are not accepted.