Clearaudio da Vinci Retip
1). After placing an order for a retip exchange from the Needle Doctor's online store, a return authorization number will be generated and emailed to you in the following business days. 2). Needle Doctor will immediately process your order and ship you a new cartridge. 3). Please ship your old cartridge in the packaging you receive your new cartridge in. This will ensure safe transit of your exchange. 4). Send your cartridge to us: Needle Doctor Contact Info and Address Please write your return authorization number on the outside of box. 5). You will be given a two week grace period from the time you receive your new cartridge to send the old cartridge to us, or the difference will be billed to your credit card.