This thread spool measures 4000 m (4374 yards) in length and 40WT (120D/2) in thickness, suitable for home, semi-industrial, industrial, and commercial embroidery machines. Made from durable polyester, offering strong tensile strength, vibrant colorfastness, and a smooth, glossy finish for high-quality embroidery projects. Recommended average machine speed is 800 stitches per minute; for certain colors requiring longer dyeing processes, reduce speed to around 600 stitches per minute to prevent thread breakage. Ideal for embroidery, sewing, and decorative stitching, compatible with both domestic and commercial machine setups when used with an upright thread stand if needed. This polyester embroidery thread spool measures 4000 m (4374 yards) in length and 40WT (120D/2) in thickness, making it suitable for home, semi-industrial, industrial, and commercial embroidery machines. It provides excellent tensile strength, vibrant colorfastness, and a smooth, glossy finish for detailed stitching. The recommended operating speed is 800 stitches per minute, though certain colors may require reducing the speed to 600 stitches per minute to avoid breakage. Designed for embroidery, sewing, and decorative work, it is compatible with both domestic and commercial machines, especially when used with an upright thread stand.