The listing is for a combination of ONE Medium size Yarn Swift and ONE Ball Winder (YBW-B). The medium size yarn swift can hold skeins up to 6-ft in circumference and is made of solid birch wood. It fits edges up to 1 3/4 thick. The ball winder is hand-operated and made of ABS plastic. It has a capacity of 4 oz and can be clamped to an object with a thickness up to 1 1/2. The craftsmanship on these winders is superior.
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