★★ Many Popular Colors in Single Spool for Your Choice: As one of the largest manufacturers producing embroidery machine thread in the world, we have more than 1500 colors in stock. Now New brothread chose the most popular colors and sold in single huge spool 5000M each, to satisfy the demands of our clients who can purchase different colors in different quantities as their will. | ★★ Color Conversion is available. Most of these colors can be converted between Brother Colors and Madeira colors, you can get correct colors for your embroidery projects according to our New brothread color chart in pictures No. 3 and No. 4. | ★★ Color Fast, High Strength and Exceptional Lustre, all these excellent characters are based on the material of our embroidery machine thread: 100% Polyester!!! | ★★ Ideal Weight and Huge Spool - Each Spool is 40 W.T. (120D/2) in thickness and 5000M (5500Y) in length, which makes these spools of polyester embroidery machine thread ideal for All Embroidery Machines including Home based, Semi-industrial, Industrial and Commercial Embroidery Machines. (Note: home based machine users MUST use an upright thread stand/holder to help feeding our 5000m embroidery threads to your machine properly!) | ★★ The suggested average speed of our polyester embroidery machine thread is 800 stitches per minute for all Embroidery Machines, very few colors will have weaker strength because they need to be dyed in the dyeing facility for longer time to get specific colors, you can slow the machine speed to around 600 stitches per minute if you meet breaking problem.