The Knitter’s Pride Signature Wooden Wool Winder is made with a combination of colorful laminated and natural birch wood. The Signature Wooden Wool Winder makes center-pull balls that won’t roll away while you knit or crochet. It has anti-friction bearing on the spool side for free rotation which provides super smooth winding. It also has anti-skid rubber pads to prevent the winder from sliding or scratching your table and can winds up to 450 grams of fingering weight.