Set of 3 large spools for big projects: This set includes three high-quality polyester sewing machine threads, each with 5,000 meters, totaling 15,000 meters. An economical solution to ensure you have enough thread for larger embroidery and sewing projects without constantly refilling.

Design of spool base with locking mechanism: Each 5000M spool features an innovative large locking base designed to prevent the spool from falling during fast embroidery and sewing, ensuring smooth and even thread unwinding without the need for additional accessories.

Strong and vibrant thread: Made from 100% trilobal polyester thread with a standard weight of 40 (120D/2), this second-generation thread offers superior strength, beautiful shine, and vibrant colors for professional results. For optimal performance, a sewing speed of 600-800 stitches per minute is recommended.

Flexible color conversion: These 5000M polyester thread packs are compatible with Brother and Madeira color systems, providing convenient color matching for various embroidery designs.