{"product_id":"308-507-madeira-magnetic-core-bobbin","title":"308-507 MADEIRA MAGNETIC CORE BOBBIN","description":"\u003cp\u003e\u003cspan\u003e148yd 144\/bx POLY FILAMNT\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMadeira Sideless Magnetic Core pre-wound machine embroidery bobbins are sure to be the new favorite in embroidery shops. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese magnetized, L-style bobbins are strong and economical. Each bobbin is wound with 148 yards of continuous polyester filament thread, which helps reduce lint build-up in the bobbin case. The magnetic core holds the bobbin securely in the metal bobbin case, maintaining continuous tension throughout the life of the bobbin.  There is less over-spin, less friction and less wear and tear on the bobbin case with these bobbins. If your bobbin case has an anti-backlash spring, remove it before running. Each box contains 144 bobbins. Available in white.\u003c\/p\u003e\n\u003cp\u003eSpecifications: \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMadeira embroidery bobbins\u003c\/li\u003e\n\u003cli\u003eContinuous filament\u003c\/li\u003e\n\u003cli\u003eSideless Magnetic Core\u003c\/li\u003e\n\u003cli\u003ePre-wound\u003c\/li\u003e\n\u003cli\u003ePolyester\u003c\/li\u003e\n\u003cli\u003eStyle L\u003c\/li\u003e\n\u003cli\u003eWhite\u003c\/li\u003e\n\u003cli\u003e148 yards per bobbin\u003c\/li\u003e\n\u003cli\u003e144 bobbins per box\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Advon Inc","offers":[{"title":"Default Title","offer_id":49306735247668,"sku":"308-507","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/5732\/2036\/files\/308-507_5.png?v=1790800750","url":"https:\/\/www.advon.com\/products\/308-507-madeira-magnetic-core-bobbin","provider":"Advon Inc","version":"1.0","type":"link"}