{"product_id":"check-spring-pfaff-91-006814-05","title":"Check Spring, Pfaff - 91-006814-05","description":"\u003ch2\u003eCheck Spring, Pfaff - 91-006814-05\u003c\/h2\u003e\n\u003cp\u003eA check spring is a small spring in the tension unit that pulls the thread tight for a moment during each stitch, then lets it relax so the stitch forms evenly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with Pfaff Industrial Machines:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e138, \u003cspan style=\"font-size: 0.875rem;\"\u003e238, \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e418, \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e437, \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e438\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Pfaff","offers":[{"title":"Default Title","offer_id":47752118206694,"sku":null,"price":4.95,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/9506\/1691\/files\/91-006814-05.jpg?v=1780770441","url":"https:\/\/tomssewing.com\/products\/check-spring-pfaff-91-006814-05","provider":"Tom's Sewing","version":"1.0","type":"link"}