Sewing Machine Hook Shaft Shuttle Gear. Fits Models: Necchi 521, 520, FA534, 535, New Home 624, 641 Thru 646, 300, Combi 10, 656, 657, Tacony 793, FA793, White 1477 640013008 * Necchi Sewing Machine Gear 640013008 * VacSewCenter provides the best protection to keep your vacuum and sewing machine working in prime condition at all times. * Our 100% satisfaction guarantee ensures that you will be happy with your VacSewCenter purchase. We strive to make sure that all of our customers are satisfied and this is why we offer a 7-day money back guarantee. Buyer is responsible for return shipping. * We are not authorized dealers for Janome, New Home, Necchi or Elna and are no way affiliated with Janome America Inc./Janome Sewing Machine Company Limited of Japan/Elna International Corporation. Our parts are GENERIC and are not OEM. Purchasing and installing a GENERIC part on your Janome, New Home, Necchi or Elna will void any existing manufactures/dealer warranty.