{"product_id":"grade-a-bobbin-case-for-singer-15-class-part-15277z","title":"Grade A Bobbin Case for Singer 15 Class - Part # 15277Z","description":"\u003cp\u003eThis premium Grade A bobbin case (part # 15277Z) is specifically designed for use with Singer 15 class sewing machines. The bobbin case is a critical component that holds the bobbin and regulates thread tension for the lower thread, working in conjunction with the hook assembly to form stitches. High-quality construction ensures reliable performance and consistent stitch quality.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: 15277Z\u003c\/li\u003e\n\u003cli\u003eType: Replacement \u003c\/li\u003e\n\u003cli\u003eGrade: Grade A (premium quality)\u003c\/li\u003e\n\u003cli\u003eClass: Singer 15 class bobbin case\u003c\/li\u003e\n\u003cli\u003eFunction: Holds bobbin and regulates lower thread tension\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMachine Compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFits Singer 15 class models: 223, 237, 239, 15-30, 15-80, 15-86, 15-87, 15K30, 15K80, and other Singer 15 class machines\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFunction \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe bobbin case is essential for proper stitch formation. It holds the bobbin securely in place, controls the tension of the lower thread through an adjustable tension spring, and works with the hook assembly to create balanced, even stitches. Grade A quality ensures precise manufacturing tolerances for smooth operation, consistent tension control, and long-lasting durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Note:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eReplace a damaged, worn, or missing bobbin case to restore proper stitch quality. Ensure the bobbin case is properly inserted into the hook assembly and that the tension spring is correctly adjusted for your thread and fabric type.\u003c\/p\u003e","brand":"PD Sixty","offers":[{"title":"Default Title","offer_id":31761929544,"sku":"15277Z","price":13.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/4681\/files\/15277Z_1.jpg?v=1759439128","url":"https:\/\/www.vintagesingerparts.com\/en-au\/products\/grade-a-bobbin-case-for-singer-15-class-part-15277z","provider":"Central Michigan Sewing Supplies","version":"1.0","type":"link"}