Pilot Dr. Grip G-Spec Mechanical Pencil - Flash Color Series (0.5mm, 0.7mm) - Ergonomic Grip for Comfortable Writing & Drawing - Perfect for Students, Artists & Office Use

Since its release, the Dr. Grip series has established a new field of writing instruments that reduce fatigue. With the cooperation of Professor Yoshida of the Design Department at Tokai University, a "writing instrument that is easy to move" was realized based on experimental data focusing on the moment of inertia.

HDGS-60R