Monkeybrother Thread Skein Ball Tidy Machine Hand Operated Wool Winder Holder for Swift Yarn Fiber String Ball Hand Operated Swift Yarn Fiber String Ball Wool Winder Holder, Center Pull Yarn Winder. Makes a beautiful waffle weave cake of yarn that pulls from the middle. Size: (L*W*H): Approx. 22cm*8.5cm*22cm/8.6"*3.3"*8.6" Very easy to wind your yarn into balls by simply turning the crank,You know how yarn will kink up from the skein? This helps you avoid that.Especially fit all seven ounces skein of acrylic worsted yarn perfectly Material: Plastic and alloy, and its main feature is Light weight, Low noise, convenient and portable. Package include: 1 x ball wool winder holder