First of all, the clip of the pencil will come off (after about a month or later). Next (since it is regrettable because of the skepticism of treasure) If you are using only the remaining four colors by removing the sharpening, the spring will rampage in relatively shoes and switching will be difficult. If it is still used, the spring becomes tangled and becomes unusable in several days. Although it was a nice spring winding way when disassembled, one was deformed grandly, three were functioning as springs although they could be deformed, the remaining one was normal. If you leave the spring too much, it will be irrevocable.