Pilot Dr. Grip G-Spec Soft Grip Mechanical Pencil - 0.5mm Blue Barrel for Comfortable Writing & Drawing | Perfect for Office, School & Sketching

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-SL5