AIRTRONICS 99491 METAL GEAR SET FOR 94156 RC SERVO VINTAGE!Thank you for shopping with Top Fun RC! All items are shipped with USPS Ground Advantage, unless requested otherwise or specified during checkout. If you are not satisfied with your purchase, please reach out to us before requesting a return and we will try our best to resolve the issue to your satisfaction. Note that what you see in the photo(s) is exactly what you will receive. We try our best to depict all of our items to the best of our ability.