Sewtech Size‑L (SA155) Prewound Bobbins | 70D/2 60WT Black Polyester Bobbin Thread, 144‑Piece Pack

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 & Reliable High‑Speed Embroidery Size L / SA155 70D/2 · 60 wt. Black 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 maintains consistent thread tension from the first layer to the last. 2 Break resistant Soft‑spun polyester thread delivers reliable stitching for demanding, high‑speed embroidery applications. 3 Clear plastic sides Transparent flanges resist distortion, repel machine oil absorption, and simplify quick inventory identification. 4 Ready to use Eliminate pre‑winding time, letting operators swap bobbins quickly and stay focused on production. Neat layers for smooth, predictable feeding Every bobbin is wound tightly and evenly to minimize tension shifts between layers. This delivers smoother operation, fewer workflow interruptions, and more consistent, repeatable embroidery across entire production batches. Consistent thread delivery Reduced winding and changeover time Reliable batch-to-batch performance Product specifications Size‑L bobbins built for commercial embroidery workflows 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 widely compatible with commercial embroidery machines, including models from Sewtech, Ricoma, Happy, Tajima, BAI, ZSK, and Melco. They also fit select 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 This neutral‑white bobbin thread performs beautifully for embroidery, sewing and DIY projects. Its soft, cotton‑like texture makes it ideal for garments and designs worn next 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 reliable stock of Sewtech Size‑L prewound bobbins on hand, so you can spend more time stitching — not winding.