White Tiger Manual Wool Winder machine helps you transform yarn hanks and skeins into compact center-pull cakes that sit nicely while you knit and crochet Simple to Use: The Knit Picks Ball Winder easily winds up to 100 grams or 3.5 ounces of yarn; from lace and fingering weights to worsted and bulky weights Quick Assembly: To use the Knit Picks Ball Winder just attach to any table edge or surface up to 1-1/2" thick, twist on the spindle, position the guide arm and start winding Easy Storage: The removable spindle and a foldable guide arm make for compact storage of the Ball Winder while still allowing quick and easy assembly Great for Crafting: The Knit Picks Ball Winder lets you organize wound yarn into usable cakes