Writing width: 0.6 mm, wide nib: 1 mm. Permanent, pigmented metallic gel ink, water and light resistant. The double ball mechanism ensures 1,000 m of writing and a regular ink supply without stains, regardless of the position of the roller. The ink is opaque on glossy paper, colored and black paper, photo paper and on textiles. Clip in the color of the ink. Ventilated cap. Not refillable.