classic ballpoint pen with replaceable refill;contains gel-fluid, water-based ink;barrel made of semi-transparent plastic, which allows you to control the ink consumption;bead made of tungsten carbide is exceptionally hard and resistant to damage; thanks to this the line preserves its regular shape;well-shaped (ergonomic), rubber grip with non-slip grooving;with a cap and clip in the ink colour;bead diameter: 0.5mmwriting line thickness: ca 0.3mmwriting line length: ca 800m;colour: red