Perfect Size Meets Your Need : 1.97 inch/5 cm in length, 0.12 inch /0.3 cm in thickness, and 0.63 inch/1.6 cm in width; color at random. The steel wire length is about 3.33 cm/ 1.31 inch.The useful tool makes it easier for threading. Fit for Hand and Machine Needle : The colorful threaders are suitable for threading needles, especially for threading small size needles with small eyes to do sewing crafting,knitting craft, quilting, DIY. High quality steel wire: The steel wire is soft and flexible, thin and longer than others, which is easy to go through most kinds of needle eye holes. How to Use: The first step: Put the steel wire of threader go through the eyehole of needle. The second step: Make the thread/string go into the steel wire of threader. The third step : Pull the steel wire away from the eyehole of needle. Each package contains 20 pieces plastic needle threaders and great gift for DIY, Sewing, Small Needle Eye, Jewelry making and so on.