Check the listing for details. SEWING MACHINE & SERGER, OVERLOCK 3 PIECE SCREW DRIVER SET, NEW!!!. Condition: New. Listed at 6.99 USD. Thanks for looking. Sewing Machine & Serger screwdriver set, There is one designed for removing the machine's top and side covers. Also one short screwdriver designed to make removing the machine's needle plate. And one small screwdriver that is just the right size for adjusting your machine's bobbin case tension. We are a full service sewing machine and vacuum cleaner store, not just someone that sells products with no knowledge about the item they are selling. We operate 2 brick and mortar locations and have over 40 years experience in the sewing and vacuum industry. We have thousands of sewing machine parts (new and obsolete) available for immediate sale. If you need a part you don't see, please email us and we will do our best to list the item. Payment is due at auction ending or time of purchase. Singer Sewing Machine National Service Center We Know Sewing Machines!!! Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.