{"product_id":"brother-1034d-upper-knife-xb0563-001-serger-cutting-blade-fits-1034d-1134d-1634d-more","title":"Brother 1034D Upper Knife #XB0563-001 – Serger Cutting Blade (Fits 1034D, 1134D, 1634D \u0026 More)","description":"\u003cp data-start=\"303\" data-end=\"494\"\u003eRestore clean, precise fabric cutting with the \u003cstrong data-start=\"350\" data-end=\"385\"\u003eBrother Upper Knife #XB0563-001\u003c\/strong\u003e — a critical replacement blade for your serger that ensures smooth trimming and professional edge finishing.\u003c\/p\u003e\n\u003cp data-start=\"496\" data-end=\"763\"\u003eThe upper knife works in tandem with the lower knife to \u003cstrong data-start=\"552\" data-end=\"591\"\u003ecut fabric cleanly before stitching\u003c\/strong\u003e, creating the sharp, finished edges sergers are known for. Over time, this blade can become dull or damaged, leading to \u003cstrong data-start=\"712\" data-end=\"762\"\u003eragged edges, uneven cuts, or skipped trimming\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"765\" data-end=\"865\"\u003eReplacing your upper knife is one of the fastest ways to bring your serger back to peak performance.\u003c\/p\u003e\n\u003cp data-start=\"867\" data-end=\"884\"\u003e\u003cstrong data-start=\"867\" data-end=\"884\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"885\" data-end=\"1132\"\u003e\n\u003cli data-section-id=\"qpnmkg\" data-start=\"885\" data-end=\"929\"\u003eOEM-spec Brother replacement upper knife\u003c\/li\u003e\n\u003cli data-section-id=\"1fmei07\" data-start=\"930\" data-end=\"973\"\u003eRestores clean, accurate fabric cutting\u003c\/li\u003e\n\u003cli data-section-id=\"17s7u8f\" data-start=\"974\" data-end=\"1010\"\u003eReduces fraying and uneven edges\u003c\/li\u003e\n\u003cli data-section-id=\"1vxutom\" data-start=\"1011\" data-end=\"1052\"\u003eEssential for proper serger operation\u003c\/li\u003e\n\u003cli data-section-id=\"83tfx9\" data-start=\"1053\" data-end=\"1088\"\u003eDurable, precision-ground blade\u003c\/li\u003e\n\u003cli data-section-id=\"1n1zx5l\" data-start=\"1089\" data-end=\"1132\"\u003eEasy installation for quick maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1134\" data-end=\"1232\"\u003eIf your serger isn’t cutting smoothly or is leaving frayed edges, it’s time to replace your blade.\u003c\/p\u003e\n\u003chr data-start=\"1234\" data-end=\"1237\"\u003e\n\u003ch2 data-section-id=\"18fxkdn\" data-start=\"1239\" data-end=\"1259\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1242\" data-end=\"1259\"\u003eCompatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-section-id=\"4qwpgo\" data-start=\"1261\" data-end=\"1298\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1265\" data-end=\"1296\"\u003eFits Brother Serger Models:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1299\" data-end=\"1403\"\u003e1034D, 1034DAV, 1134D, 1134DW, 1634D, 2034D, 3034D, 925D, 929D, DZ123, DZ1234 Designio, PL1500, PL2000\u003c\/p\u003e\n\u003chr data-start=\"1405\" data-end=\"1408\"\u003e\n\u003ch3 data-section-id=\"1s7dvfh\" data-start=\"1410\" data-end=\"1456\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1414\" data-end=\"1454\"\u003eFits Husqvarna Viking Serger Models:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1457\" data-end=\"1471\"\u003e660CD, 680CD\u003c\/p\u003e\n\u003chr data-start=\"1473\" data-end=\"1476\"\u003e\n\u003ch2 data-section-id=\"1jdhu1s\" data-start=\"1478\" data-end=\"1489\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1481\" data-end=\"1489\"\u003eFAQs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1491\" data-end=\"1640\"\u003e\u003cstrong data-start=\"1491\" data-end=\"1539\"\u003eQ: What does the upper knife do on a serger?\u003c\/strong\u003e\u003cbr data-start=\"1539\" data-end=\"1542\"\u003eA: It trims fabric edges as you sew, working with the lower knife to create clean, finished seams.\u003c\/p\u003e\n\u003cp data-start=\"1642\" data-end=\"1787\"\u003e\u003cstrong data-start=\"1642\" data-end=\"1683\"\u003eQ: How do I know if my knife is dull?\u003c\/strong\u003e\u003cbr data-start=\"1683\" data-end=\"1686\"\u003eA: Signs include frayed edges, uneven cuts, fabric bunching, or the machine not cutting consistently.\u003c\/p\u003e\n\u003cp data-start=\"1789\" data-end=\"1899\"\u003e\u003cstrong data-start=\"1789\" data-end=\"1841\"\u003eQ: Should I replace both upper and lower knives?\u003c\/strong\u003e\u003cbr data-start=\"1841\" data-end=\"1844\"\u003eA: For best results, yes — especially if both are worn.\u003c\/p\u003e\n\u003cp data-start=\"1901\" data-end=\"2003\"\u003e\u003cstrong data-start=\"1901\" data-end=\"1932\"\u003eQ: Is this hard to install?\u003c\/strong\u003e\u003cbr data-start=\"1932\" data-end=\"1935\"\u003eA: Most users can replace it with basic tools in just a few minutes.\u003c\/p\u003e","brand":"Brother","offers":[{"title":"Default Title","offer_id":45581143933030,"sku":null,"price":28.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/7872\/8294\/files\/xb0563_001_1.jpg?v=1779315306","url":"https:\/\/threadworks.com\/products\/brother-1034d-upper-knife-xb0563-001-serger-cutting-blade-fits-1034d-1134d-1634d-more","provider":"Thread Works ","version":"1.0","type":"link"}