Released "Friction Point Knock 04", a ballpoint pen that combines the features of "friction" to erase handwriting with the frictional heat and the features of "Synergy Tip", a pen tip with smooth writing and smooth writing. The pipe tip allows smooth writing with a fine writing pen tip, and the cone tip is characterized by smooth writing and high strength pen tip, and it is "Synergy tip" that makes use of the features of each of the pipe tip and cone tip. "is. Although it is a thin pipe-shaped pen tip that is ideal for fine writing, the strength of the pen tip is high, and by making the back part of the pipe thicker, the ink passage is widened and the ink supply to the pen tip becomes smooth. By doing so, you can write smoothly. The body design uses metal clips and bases for a luxurious finish. The erasing rubber on the back of the pen has a slim shape to make it easier to erase ultra-fine handwriting. The shaft diameter is 10.5mm, which is slightly thinner than the conventional "friction ball knock", so it is easy to store in a suit or notebook. There are eight body colors and ink colors available: black, red, blue, green, blue black, orange, pink, and light blue. * "Friction" is a registered trademark of Pilot Corporation.