Pilot The Dr. Grip Mechanical Pencil 0.3 mm Silver

Rollerball Pen Frixion Point, 0.3 mm, blue, interchangeable lead. The ball diameter of 0.5 mm ≙ a line width of 0.3 mm. With the rubber tip at the shaft end, writing can be rubbed off via friction (frictional heat > 65 °C) and when it's cold (< 15 °C) the writing will be revealed once again. Shaft colour: same as writing colour.