Ganlu Hand Operated Jumbo Center Ball Winder for Wool Winder Holder Yarn Fiber String to Wind Machine An essential tool for knitters and crocheters. Easily transforms hanks or skeins of yarn into compact center-pull balls,get your knitting and crocheting supplies organized easily. Turn skeins of yarn into clean, neat center pull cakes or balls with ease. Fast speed and easy turn for people wind yarn and other material balls. Can bear 10 oz. capacity. Light weight, Low noise, convenient and portable. The ball winder can be clamp to table. The tool material is metal in new condition and can use long time.at the same time can easily attach to any table or countertop without leaving damage.