Body, Nickel Plated Cupronickel Botton. The hole made by automatic NC machine, accurate positioning. Bell mouth length 8cm. Tuning tube length 4cm. Main part length 33.5cm. Total length after installed 50cm. Sellers are not responsible for service transit time, but we will help you to contact the local office. Transit times are provided by the carrier, exclude weekends and holidays, and may vary with package origin and destination, particularly during peak periods. We believe our items are so outstanding. All products are quality checked. Otherwise deal is final. We will be happy to resolve any issues you may have in a cordial and friendly manner. We appreciate your Postive Feedback, and will do the same in return. (there may be delayed during holidays and weekends).