Sewtech Size L (SA155) Prewound Bobbins, 70D/2 60WT White Polyester Bobbin Thread, 144 pcs

Sewtech · Embroidery Essentials Professional Results Start with a Better Bobbin Prewound Size L (SA155) bobbins with soft-spun 70D/2 polyester thread, engineered for smooth feeding, even tension, and dependable high-speed embroidery. Size L / SA155 70D/2 · 60 wt. White Polyester 144 Pieces Made for consistent stitching Less setup. More embroidery. Skip manual winding and keep production moving with clean, tightly packed bobbins ready for your next design. 1 Uniform tension Advanced machine winding helps maintain consistent thread tension from the first layer to the last. 2 Break resistant Soft-spun polyester thread supports reliable stitching during demanding, high-speed embroidery. 3 Clear plastic sides Transparent flanges resist distortion, do not absorb machine oil, and make inventory easy to identify. 4 Ready to use Eliminate pre-winding time so operators can change bobbins quickly and focus on production. Precision machine wound Neat layers for smooth, predictable feeding Each bobbin is tightly and evenly wound to reduce tension changes between layers. The result is cleaner operation, fewer interruptions, and more repeatable embroidery across your batch. Consistent thread delivery Reduced winding and changeover time Reliable batch-to-batch performance Product specifications Size L bobbins for commercial embroidery Also known as Style L or SA155. 20.3–20.7 mmApprox. outside diameter 8.9 mmApprox. bobbin height 70D/2Soft-spun polyester 60 wt.Fine bobbin thread Fit note: Bobbin names and dimensions can vary by machine. Check your embroidery or sewing machine manual before purchasing. Wide compatibility Built for many multi-needle machines Size L / SA155 bobbins are commonly used with commercial embroidery machines, including compatible models from Sewtech, Ricoma, Happy, Tajima, BAI, ZSK, and Melco. They may also fit selected home embroidery and sewing machines. Ideal for many commercial multi-needle machines Supports smooth high-speed stitching Convenient for production shops and studios Choose the correct size Size L is shorter than Size A They have a similar diameter, but their heights and intended machine types differ. Size L compared with Size A / Class 15 Reference guide for common bobbin formats Essential white A versatile foundation for everyday projects The neutral white bobbin thread works beautifully across embroidery, sewing, and DIY projects. Its soft, cotton-like feel makes it a comfortable choice for garments and designs worn close to the skin. Clean white color for versatile use Soft feel suitable for apparel Organized bulk packaging for easy storage Create with confidence From production runs to detailed designs Dependable bobbin tension gives your embroidery a strong, clean foundation. Ready when inspiration strikes Keep a dependable supply of Sewtech Size L prewound bobbins on hand and spend more time stitching—not winding.