Swift Yarn Fiber String Ball Wool Winder Holder Hand Operated New (Big) Abs Plastic Made in China Material: ABS Plastic, Size: Small, Big,WeightSmall: 400g big: 800g, Color: as pictures Light weight, easy to install on working desk or bench Low noise when working, convenient and portable Instruction: Lock the winder at the table, tighten up the button to fix it, and put the string through the iron wire to block on the groove of the disk. Swift Yarn Fiber String Ball Wool Winder Holder, a good helper for you and your family