Miyako Friction ball knock 10 pieces set 0.7mm LFBK-23F-B [black]

Knocking is done with a paper clip. The knock surface is large and the shape makes it easy to knock. It can be used quickly for writing in notebooks and materials. You can tell when it's ON by the color appearing through the small window. ■Clip slide knock type ■Writing width: 0.35mm ■Shaft: Resin ■Ink: Friction ink ■Size: Maximum diameter φ15.8mm Total length 146mm ■Weight: 11.8g ●The long-awaited knock type friction ball is finally here. It can be used quickly for writing in notebooks and materials. ●The knock is done with a clip (clip slide knock type). The knock surface is large and the shape is easy to knock. ●You can tell when the device is ON by the color appearing through the small window.