Big bobbin, no reverseConditions: Sewing Machines: The sale is for the sewing machine head only. The machine may need parts or service to work properly. We don't have technicians on site nor operators, we are unable to test a machine. You are welcome to come to our warehouse and inspect the machine prior to make the purchase. More pictures available upon request. For your convenience we inspect a machine before is shipped to make sure is not missing any major component and to make sure is not stuck. DISCLAIMER: You are buying the pictured item, there are not extra accessories, parts or components included. Every item is sold as is, where is without any warranty. Buyer is responsible for the inspection of the item before buying it. Buyer is responsible for all transportation charges.