Chain one...lite one. Crocheting has never been more fun. Easy to use and perfect for dark yarns. Battery operated with a simple on/off switch. Available in 9 sizes, each in its own beautiful color. More Info: WIDGET-Crochet Lite Crochet Hooks. Chain one lite one. Crochet anywhere...even in the dark! Crocheting has never been more fun than with widget's Crochet Lites! Easy to use and perfect for dark yarns. Hooks are battery operated with a simple on/off switch. Size: K/6.5mm. Color: Yellow. Batteries included. Imported.BICW