BOYE-Electric Yarn Ball Winder. This machine is convenient and quick: eliminate tedious hand winding and easily wind hanks of yarn into center-pull skeins. This machine winds all sizes and weights of yarn. The Yarn Ball Winder features a suction cup to securely attach it to work surfaces; adjustable speed; labor-saving motor that means less stress on your arms hands and wrists; create flat bottom balls that stack neatly; rewind messy partial skeins into tidy center-pull skeins and wind thin yarns together to create custom sizes or colors; machine is light weight and compact so transport and storage are easy. The instructions include details for use and care. Machine measures 5x10x7in. UL listed (E215890): Input of 100-240V; 50/60Hz; 0.6A and Output of 12V; 2.0A. Imported