My dear, we have received your feedback and we make the following explanations about your questions 1. You reflect the length problem. Before delivery, we photographed and showed the product, you didn't raise objections. In addition, our product measurement methods are based on the completeness of the entire product. You choose to measure raw materials, and we do not accept or agree with such measurements. 2. As for the product images you provided, we have not seen the sorting process of the products. We have reason to suspect that you have caused damage to the product due to improper operation. 3. We give you options. If you are really not satisfied with the product, we can return it and get a refund. However, instead of returning the item, you are asking for half of the cost to be refunded.