4色圆珠笔（0.5/0.7/1.0mm)+活动铅笔(0.5mm)
四色圆珠笔（黑色、蓝色、红色、绿色），自带橡皮。
4-color ball pen+mechanical pencil
Four color(black,blue,red,green)and one mechanical pencil with rubber convenience in one pen
Perfect for recording data in different colors
Particularly smooth writing performance.
Cushion grip comes in assorted colors.
