Boye Crochet Dude Aluminum Crochet Hook, Size I9/5.5mm: * These ergonomic crochet hooks feature a 1-1/2" long aluminum shaft with a padded comfort grip handle that measures 4" long (5-1/2" total length) * The size of the hook is stamped onto the colorful handle for easy identification * Each package contains one crochet hook * Size: US-I (5.5mm) * Imported