{"product_id":"tension-spring-4","title":"Tension Spring 310883 - For Bobbin Case #421326 (Singer)","description":"\u003cp\u003eOEM-compatible bobbin case designed for reliable lower thread control. A damaged bobbin case causes thread jams, tension problems, and uneven stitching.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e\u003cbr\u003eReplacement bobbin case for industrial and household sewing machines. Designed for reliable performance and long service life.Features:Direct replacement for original partCompatible with major sewing machine brandsPrecision manufactured for consistent performanceEasy installationPackage Includes:1 ×\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAccurate fit in bobbin area\u003c\/li\u003e\n\u003cli\u003eConsistent tension for even stitch formation\u003c\/li\u003e\n\u003cli\u003eSmooth latch mechanism for easy bobbin changes\u003c\/li\u003e\n\u003cli\u003eDurable construction for long service life\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e1 × TENSION SPRING (Part #: 310883)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHandling \u0026amp; Shipping:\u003c\/strong\u003e\u003cbr\u003eShips from USA stock when available. Professional packaging for safe delivery during transit.\u003c\/p\u003e","brand":"Universal\/Generic","offers":[{"title":"buy-now","offer_id":48490318823673,"sku":"310883","price":0.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/6733\/3113\/files\/310883_1_f1bc92ac-086f-4848-979d-575ca52e96a2.jpg?v=1780725767","url":"https:\/\/empenzoamericas.com\/products\/tension-spring-4","provider":"Empenzo Americas Corp.","version":"1.0","type":"link"}