This pack of assorted 36 coils of sewing threads comes with a broad selected shades and will fit a variety of projects. The array of colors includes some hard to find colors. Whether you are sewing or hemming an art quilt, coat, dress, or even a pair of denim jeans, this kit will find you the right color to match the fabric. The spools will fit most machines such as Serger, Singer, or Brother and be rewound on metal or plastic bobbins with ease. For plain old sewing such as fixing a hole or sewing on a patch, , this kit is very useful and handy for daily use purpose. There are plenty of thread supplies with different vivid colors to last for several projects.