{"product_id":"check-spring-pull-down-8","title":"Check Spring (Pull Down) NS-34 for White 305, 3652 \u0026 More Sewing Machines","description":"\u003cp\u003eOEM-compatible tension part designed to restore proper upper thread control. Worn tension assemblies cause looping, thread breaks, and unbalanced stitching.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e\u003cbr\u003e305, 3652, 617, 629, 670 UNIVERSAL - TWI 1289\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAccurate fit for listed machine models\u003c\/li\u003e\n\u003cli\u003eConsistent spring pressure for reliable tension\u003c\/li\u003e\n\u003cli\u003eEasy installation during repair or maintenance\u003c\/li\u003e\n\u003cli\u003eCompatible with original tension adjustment system\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e1 × CHECK SPRING (Pull Down) (Part #: NS-34)\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":48490598039801,"sku":"NS-34","price":1.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/6733\/3113\/files\/ns34_1_bc63a72a-f9c6-4cfa-a20a-e81c1c4772f3.jpg?v=1780734241","url":"https:\/\/empenzoamericas.com\/products\/check-spring-pull-down-8","provider":"Empenzo Americas Corp.","version":"1.0","type":"link"}