(Japan Import) Pilot Dr.Grip 4+1 3colors Ballpoint Pen + 0.5mm Mechanical Pencil BKHDF-1SR (Light Blue) 4 colors of ball-points and a mechanical pencil became one. It is distinguished in writing by a color to use always. The 4-color ball-point and mechanical pencil of black / red / blue / green become one, and are very convenient Even if it continues writing, it is famous as Penn who cannot be tired easily.