{"product_id":"poolin-size-l-sa155-prewound-embroidery-bobbins-144-count-white-75d-2-60wt-clear-plastic","title":"Poolin Size L (SA155) Prewound Embroidery Bobbins 144-Count White 75D\/2 (60WT) Clear Plastic","description":"\u003cp\u003e\u003cstrong\u003ePoolin Size L (SA155) prewound plastic embroidery bobbins: 144 ready-to-use white 75D\/2 (60WT) polyester bobbins sized for commercial Size L machines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you run multi-needle embroidery equipment or manage a production line, these Poolin Size L (SA155) bobbins deliver a large, consistent supply of prewound thread to minimize downtime. They’re built with clear plastic flanges so you can monitor thread remaining, and the 75D\/2 (60WT) polyester provides smooth feeding and stable tension suited to high-speed stitching. Before using, confirm your machine accepts Size L\/SA155 bobbins; they are not compatible with Size A or Class 15 systems.\u003c\/p\u003e\n\n\u003ch3\u003eWill these bobbins fit my embroidery machine?\u003c\/h3\u003e\n\u003cp\u003eThese bobbins measure 0.80 in (20.3 mm) diameter and 0.35 in (8.9 mm) height and are made for machines that specify Size L (SA155) bobbins. Check either your machine manual or an existing bobbin to compare dimensions before ordering. Using the wrong bobbin size can create tension issues or damage components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExact diameter: 20.3 mm (0.80 in)\u003c\/li\u003e\n  \u003cli\u003eExact height: 8.9 mm (0.35 in)\u003c\/li\u003e\n  \u003cli\u003eCompatible with commercial multi-needle machines listing Size L\/SA155\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these prewound bobbins help in production?\u003c\/h3\u003e\n\u003cp\u003eHaving 144 prewound bobbins reduces the time spent stopping to wind thread and lets operators swap bobbins quickly, keeping throughput steady. The clear flanges make inventory checks simple and prevent surprises mid-run. Keep a few in machine-ready trays to streamline changeovers on apparel, caps, patches, and logo jobs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLarge 144-count pack for extended runs\u003c\/li\u003e\n  \u003cli\u003ePrewound to save winding time\u003c\/li\u003e\n  \u003cli\u003eClear sides for fast visual checks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the thread specs and why they matter?\u003c\/h3\u003e\n\u003cp\u003eThe bobbins are wound with white 75D\/2 polyester at a 60WT thickness, chosen for smooth feed and reliable tension at higher stitch speeds. White bobbin thread is less conspicuous beneath many embroidery colours and works well for general-purpose stitching. Always test bobbin-case tension and adjust your machine settings before full production.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThread type: polyester 75D\/2 (60WT)\u003c\/li\u003e\n  \u003cli\u003eColour: white to minimize visibility under most colours\u003c\/li\u003e\n  \u003cli\u003eSuggested: test and adjust bobbin-case tension first\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and safe are these bobbins?\u003c\/h3\u003e\n\u003cp\u003eRigid clear plastic flanges maintain shape during storage and use, reducing risk of deformation that could affect feed or tension. The bobbin thread carries OEKO-TEX Standard 100 certification (SH005 242558), indicating it meets specific textile safety testing criteria. As with all accessories, confirm fit and tension to avoid machine wear.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRigid clear plastic sides for shape retention\u003c\/li\u003e\n  \u003cli\u003eOEKO-TEX Standard 100 certified thread\u003c\/li\u003e\n  \u003cli\u003eDesigned for stable operation in high-speed machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? These Poolin Size L (SA155) 75D\/2 (60WT) prewound bobbins suit production embroiderers, small businesses, and commercial shops that run multi-needle Size L machines and need a dependable bulk supply. If you value consistent tension, quick changeovers, and easy visual monitoring of thread supply, this 144-count pack will reduce interruptions and keep jobs moving. Do not purchase if your equipment requires Size A or Class 15 bobbins—measure before you buy to ensure compatibility.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these bobbins compatible with Class 15 machines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. These are Size L (SA155) bobbins; they do not fit Class 15 or Size A machines. Measure your current bobbin to confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the bobbins come prewound and how many?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The pack contains 144 prewound bobbins with white 75D\/2 (60WT) polyester thread ready for production.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Poolin","offers":[{"title":"Default Title","offer_id":55297337622865,"sku":"B0D59D7WC2","price":49.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/5567\/3681\/files\/poolin-size-l-bobbins-front-packaging.jpg?v=1791953544","url":"https:\/\/craftiche.co.uk\/products\/poolin-size-l-sa155-prewound-embroidery-bobbins-144-count-white-75d-2-60wt-clear-plastic","provider":"Craftiche","version":"1.0","type":"link"}