New ThreadNanny 100 Rayon Machine Embroidery Threads 100 Colors 100 Large Spools of Rayon Embroidery Threads (no Duplicates colors) 550 Yards on each spool. Bright Colors with very High Sheen / Lustre almost like Silk. Spools will fit on the thread holders on all Brother, Babylock, Janome, Bernina, Singer, Pfaff machines This set has a good mix of all colors and will give you an excellent choice to do many different designs Thread rack is not included but is available for purchase from our Amazon Store with Free Shipping