{"product_id":"genuine-check-spring-28171-for-singer-45k-sewing-machine","title":"Check Spring 28171 for Singer 45K Sewing Machine","description":"\u003cp\u003eCheck Spring #28171\u003cbr\u003e\nAuthentic Thread Tension Component for Singer 45K Series\u003c\/p\u003e\n\n\u003cp\u003eRestore the precise tension balance of your heavy-duty machine with this Check Spring (Part #28171). Specifically designed for the legendary Singer 45K series, this spring is the essential \"take-up\" component that manages thread slack, ensuring tight, uniform stitches even when sewing through the toughest materials.\u003c\/p\u003e\n\n\u003cp\u003eCompatible Singer Models:\u003cbr\u003e\nThis check spring is engineered specifically for the Singer 45K Class industrial machines, including:\u003c\/p\u003e\n\n\u003cp\u003eSinger 45K1\u003c\/p\u003e\n\n\u003cp\u003eSinger 45K5\u003c\/p\u003e\n\n\u003cp\u003eSinger 45K21\u003c\/p\u003e\n\n\u003cp\u003eSinger 45K25\u003c\/p\u003e\n\n\u003cp\u003e...and other sub-models within the 45K heavy-duty series.\u003c\/p\u003e\n\n\u003cp\u003eKey Features:\u003cbr\u003e\nSpecification: Manufactured to the exact tension and coil diameter required for the 45K's unique tension assembly (Part #28171).\u003c\/p\u003e\n\n\u003cp\u003eHigh-Tensile Spring Steel: Built to withstand the heavy-duty demands of thick threads (such as bonded nylon or polyester) and heavy leathers.\u003c\/p\u003e\n\n\u003cp\u003eConsistent Take-Up: Provides the perfect amount of resistance to prevent thread \"loops\" or nesting on the underside of your project.\u003c\/p\u003e\n\n\u003cp\u003eCorrosion Resistant: Finished to resist rust and wear, ensuring long-term reliability in industrial workshops.\u003c\/p\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":48307148882169,"sku":"28171","price":7.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/6733\/3113\/files\/Singer_Genuine_Parts.jpg?v=1776585822","url":"https:\/\/empenzoamericas.com\/products\/genuine-check-spring-28171-for-singer-45k-sewing-machine","provider":"Empenzo Americas Corp.","version":"1.0","type":"link"}