{"product_id":"premium-replacement-check-spring-heavy-221175-for-singer-211g-211u-211w-and-singer-111w-sewing-machines","title":"Check Spring Heavy 221175 for Singer 211G, 211U, 211W and Singer 111W Sewing Machines","description":"\u003cp\u003eCheck Spring Heavy 221175 is designed for Singer 211G, 211U, 211W, and Singer 111W sewing machines. It controls thread tension smoothly during stitch formation, helping maintain balanced and consistent stitching performance in industrial sewing.\u003cbr\u003e\nThis heavy-duty spring is a key part of the upper tension system, ensuring proper thread recovery and preventing loose or uneven stitches during operation.\u003cbr\u003e\nKey Features:\u003c\/p\u003e\n\n\n\u003cp\u003ePremium quality heavy-duty check spring (Part 221175)\u003c\/p\u003e\n\n\n\u003cp\u003eCompatible with Singer 211G, 211U, 211W, and 111W models\u003c\/p\u003e \n\n\n\u003cp\u003eEnsures stable upper thread tension control\u003c\/p\u003e\n\n\n\u003cp\u003eImproves stitch consistency and quality\u003c\/p\u003e\n\n\n\u003cp\u003eHelps prevent thread slack and irregular stitches\u003c\/p\u003e\n\n\n\u003cp\u003eDurable construction for long-lasting industrial use\u003c\/p\u003e","brand":"Universal","offers":[{"title":"Default Title","offer_id":48314024427769,"sku":"221175","price":3.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/6733\/3113\/files\/Singer_Premium_Replacement_Parts.jpg?v=1776585850","url":"https:\/\/empenzoamericas.com\/products\/premium-replacement-check-spring-heavy-221175-for-singer-211g-211u-211w-and-singer-111w-sewing-machines","provider":"Empenzo Americas Corp.","version":"1.0","type":"link"}