Product Features:
Reduces strain on the neck, shoulders, and arms.
Since its launch, the Dr. Grip series has established a new field of writing instruments to reduce fatigue. In cooperation with Professor Yoshida, the Tokai University University University University University University and Affairs Design Science, "Easy to move writing instruments" were achieved based on experimental data.
Optimal weight balance
As a writing instrument, it focuses on the movement of the pen when writing for the first time. By reducing both ends of the pen, the weight is concentrated on the center of gravity that acts as the rotational axis of a writing instrument, making it easy to move. By reducing the value of inertia moment of inertia *, you can control the pen with less force and relieve the burden on your hands.
Detailed Description:
Type: Permanent ballpoint pen
Size: Maximum Diameter: 0.6 inches (14.2 mm), Total Length: 5.4 inches (138 mm)
Ball diameter: ultra-fine 0.02 inch (0.5 mm) ball
Grip: Silicone rubber
Sheath: Resin
Type: Retractable
Ink: Acro Ink
Ink Color: Black
Refill: BRFN-10EF