Includes 24 colors (84 spools / 250 yds ea) of Dual Duty XP All Purpose Thread (CACS910). Includes color numbers: 100, 150, 900, 450, 630, 1180, 1840, 2250, 2820, 3690, 6550, 5750, 5520, 4900, 4470, 4370, 4310, 6770, 7330, 7640, 8010, 8050, 8540, & 8890.