{"product_id":"doublelin-prewound-bobbins-size-l-144-pcs-75d-2-polyester-black-127-yd-each","title":"DOUBLELIN prewound bobbins Size L — 144 pcs, 75D\/2 polyester black, ~116 m each","description":"\u003cp\u003e\u003cstrong\u003eDOUBLELIN LCB-75D2 prewound Size L bobbins are a pack of 144 black, cardboard-sided bobbins wound with 75D\/2 commercial embroidery thread for front-loading machines that accept Size L.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you run commercial embroidery projects or use an embroidery-only bobbin thread, these prewound bobbins are designed to save time and deliver consistent, smooth performance. They come prewound with approximately 127 yards of 75D\/2 filament polyester (about #120 \/ ~60WT) on each Size L cardboard-sided spool, optimised for machines requiring Size L (also labelled Style L, SA155, or Size 9.4) bobbins.\u003c\/p\u003e\n\n\u003ch3\u003eWill these bobbins fit my sewing or embroidery machine?\u003c\/h3\u003e\n\n\u003cp\u003eThey fit machines that explicitly call for Size L bobbins (sometimes shown as Style L, SA155, or Size 9.4). Size L has a 27\/32 inch diameter and a 23\/64 inch height; Size A, L, and M are not interchangeable.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCheck your machine manual for Size L, SA155, or 9.4 references.\u003c\/li\u003e\n  \u003cli\u003eMeasure an existing bobbin: 27\/32\" diameter, 23\/64\" height.\u003c\/li\u003e\n  \u003cli\u003eThese are for front-loading cases compatible with thin cardboard-sided bobbins.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow much thread does each bobbin hold and what is the thread spec?\u003c\/h3\u003e\n\n\u003cp\u003eEach bobbin contains roughly 127 yards of 75D\/2 filament polyester thread. The thread corresponds to #120 (about 60WT), tex 17, denier 150 — a smooth, fine embroidery filament suitable for bobbin use in commercial embroidery.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eApprox. 127 yards (per bobbin).\u003c\/li\u003e\n  \u003cli\u003e75D\/2 filament polyester = #120 \/ ~60WT, tex 17, denier 150.\u003c\/li\u003e\n  \u003cli\u003eBlack colour prewound for consistent tension and colour matching on the underside.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat projects or tasks are these bobbins best suited for?\u003c\/h3\u003e\n\n\u003cp\u003eThese bobbins are made for commercial embroidery—threaded undercaps and design backing rather than seam-stitching. Because the filament is smooth and fine, it's optimised for embroidery density and stitch quality, not for sewing or quilting seams that require stronger, heavier thread.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCommercial embroidery machines and production runs.\u003c\/li\u003e\n  \u003cli\u003eUndercount\/underlay stitching and satin stitch backing.\u003c\/li\u003e\n  \u003cli\u003eNot recommended for structural seams, heavy-duty sewing, or quilting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I confirm compatibility before ordering?\u003c\/h3\u003e\n\n\u003cp\u003eAlways verify your machine's bobbin specification before purchasing. If your machine uses Size A or Size M bobbins, choose the corresponding DOUBLELIN size instead of L.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eConsult your machine manual or manufacturer website for bobbin size guidance.\u003c\/li\u003e\n  \u003cli\u003eMeasure an existing bobbin or compare with the stated dimensions (27\/32\" diameter, 23\/64\" height).\u003c\/li\u003e\n  \u003cli\u003eLook for front-loading Size L cases that accept cardboard-sided bobbins.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This 144-pack of DOUBLELIN LCB-75D2 Size L prewound bobbins is aimed at embroidery professionals, small production shops, and hobbyists running machines that require Size L bobbins and prefer prewound supplies for fast changeovers. If you need bobbin thread for heavy seam work, or your machine uses Size A or M bobbins, pick the appropriate DOUBLELIN size instead.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use these bobbins for regular sewing seams?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. These 75D\/2 bobbins are optimised for commercial embroidery, not heavy-duty seam stitching or quilting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I know if Size L is the right bobbin for my machine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check your manual for Size L, SA155, or 9.4, or measure an existing bobbin: 27\/32\" diameter and 23\/64\" height.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DOUBLELIN","offers":[{"title":"Default Title","offer_id":55255191388497,"sku":"B07STJ1GB7","price":39.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/5567\/3681\/files\/doublelin-front-packaging_f0651552-24ec-4886-be66-1139d710445d.jpg?v=1791699347","url":"https:\/\/craftiche.co.uk\/products\/doublelin-prewound-bobbins-size-l-144-pcs-75d-2-polyester-black-127-yd-each","provider":"Craftiche","version":"1.0","type":"link"}