A mechanical pencil with a shake-to-advance lead mechanism and a knock button. Its ring-shaped grip can be rearranged, and the inner grip consists of three sections that can be arranged freely.
Features
Lead advances by shaking the pencil or pressing the knock button.
Rearrangeable ring-shaped grip with three inner grip sections.
Grip: silicone rubber; barrel: resin.
Lead size: 0.3mm.
Maximum barrel diameter: 14.2mm; length: 142mm; weight: 19.6g.