{"product_id":"bobbin-case-zig-zag","title":"Bobbin case Zig zag","description":"\u003cp\u003e\u003cspan\u003eThis is a heavy duty\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003eindustrial bobbin case\u003cspan\u003e specifically designed for \u003c\/span\u003ehigh speed zigzag\u003cb data-path-to-node=\"0\" data-index-in-node=\"70\"\u003e \u003c\/b\u003esewing machines\u003cspan\u003e (such as the Singer 20U, Juki, or Consew models). Unlike standard lockstitch cases, this version features a wider opening to accommodate the side-to-side needle movement of a zigzag stitch without causing thread snaps or needle strikes. Constructed from high-grade polished steel, it includes a precision\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003etension spring\u003cspan\u003e on the outer wall, adjustable via a small screw to fine-tune the bobbin thread pull. Inside, you can see the\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003eanti-backlash spring\u003cspan\u003e (the blue-tinted circular leaf spring), which prevents the bobbin from spinning freely and tangling when the machine stops suddenly a critical feature for maintaining stitch consistency at high industrial speeds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCall\/WhatsApp\u003cspan\u003e \u003c\/span\u003e\u003cspan style=\"text-decoration: underline;\"\u003e064 640 3945\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eor Email us at\u003cspan\u003e \u003c\/span\u003e\u003cspan style=\"text-decoration: underline;\"\u003efabrics@mhcworld.co.za\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003efor assistance\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDue to differences in browsers and monitors, colors may vary between devices\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePRICE PER EACH\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"MHC World","offers":[{"title":"Default Title","offer_id":43274098475097,"sku":"HA222470","price":69.95,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0052\/0935\/8425\/files\/20260430_111935.jpg?v=1778493248","url":"https:\/\/www.mhcworld.co.za\/products\/bobbin-case-zig-zag","provider":"MHC World","version":"1.0","type":"link"}