Fil-Tec Prewound Bobbins Style L Cool Grey — 20-Pack, 65.8 m Trilobal Polyester for Smooth, Consistent Stitching

Fil-Tec Magna-Glide Delights Style L prewound bobbins in Cool Grey are ready-to-use, trilobal polyester bobbins engineered to match Glide top thread for smooth, consistent stitching.

These prewound bobbins come in a clear jar of 20 and deliver 72 yards of No. 40 trilobal polyester per bobbin. Manufactured in the USA, the Magna-Glide Delights line is designed to reduce lint build-up and tension issues common with metal- or poorly wound bobbins. Cool Grey (col. 10CG3) provides a neutral, professional finish suited for light-to-medium fabrics and blended colorwork.

How do these prewound bobbins improve machine performance?

Prewound bobbins are wound uniformly under controlled tension, which helps the bobbin thread feed evenly and reduces skipped stitches and thread snarls. Fil-Tec’s trilobal polyester profile also resists fuzz and maintains consistent tension across long sewing sessions.

• Uniform factory winding eliminates inconsistent hand-wound tension
• Trilobal polyester resists lint and provides smooth feeds
• Prewound jars reduce downtime for re-winding
• 72 yards per bobbin minimizes bobbin changes

Will this bobbin colour match my project and top thread?

Cool Grey (10CG3) is a neutral medium-grey that blends well with many fabrics and grey-toned threads. For optimal visual match, pair these bobbins with Glide top thread or a top thread in a similar grey shade to achieve seamless stitch appearance on both right and wrong sides of the fabric.

• Designed to coordinate with Glide top threads
• Neutral grey reduces contrast on light and mid-tone fabrics
• Ideal for projects where subtle, unobtrusive bobbin stitches are desired

Are these bobbins compatible with my machine and how many are in a jar?

These are Style L prewound bobbins; check your machine manual to confirm Style L compatibility. Each clear jar contains 20 prewound bobbins, each with approximately 72 yards of No. 40 trilobal polyester thread, providing long runtime and fewer interruptions.

• Style L format — confirm machine compatibility before purchasing
• 20 bobbins per jar for extended sewing sessions
• 72 yards per bobbin reduces frequency of bobbin changes

Who is this for: Fil-Tec Magna-Glide Delights Cool Grey bobbins suit hobbyists, home sewers, and small-production stitchers who want reliable, prewound bobbins that reduce machine downtime and deliver consistent tension. They’re particularly useful for users who prefer polyester bobbin thread that coordinates with high-performance Glide top thread and for anyone seeking a neutral bobbin colour for garments, quilting, or accessory sewing.

Product details:

• Brand: Fil-Tec
• Product: Magna-Glide Delights Style L Prewound Bobbins
• Colour: 10CG3 Cool Grey
• Thread type: No. 40 trilobal polyester
• Count: 20 bobbins per jar
• Yardage: 72 yards per bobbin
• Origin: Made in the USA
• Lot/Item codes: Lot 159AF, CHK-60529-LGREY, CHK-MGDL-10CG3-F