Sayid Threads made of Polyester

• Content: Each set includes 12 large mechanical embroidery thread spools made of polyester, with 5000 meters per spool, totaling 66,000 meters.
• Locking Base Design: Simthread's unique large locking base design prevents spools from falling during fast embroidery or sewing.
• Durability and Bright Color: Made from 100% Trilobpa polyester with a standard weight of 40 (120D/2), offering excellent durability, vibrant shades, and rich color options.
• Sewing Speed: Recommended sewing speed is 600-800 stitches per minute, with a slightly lower speed for darker shades.
• Easy Color Conversion: Simthread 5000M threads are designed for easy conversion between Brother and Madeira color systems.