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Retractable permanent ballpoint pen Ball diameter is 0.7 and ink is black.
The nib has a narrow needle point that is similar to a needle, so the pen tip has a wide field of view and is easy to read.
The ink uses a special ink i-Fit that has a lower viscosity and higher ink concentration, and a special shape with increased ink flow grooves.
The top of the body is hexagonal and the nib has a special shape with a round shaft.
A boundary border is created around the handle for a customized grip.
Product Size: Total Length: 5.4 inches (136 mm); Shaft Diameter: 0.4 inches (10 mm); Maximum Diameter: 0.4 inches (11 mm); Weight: 0.6 oz