The K-70 ink marker has a durable, fine-point tip that delivers striking, translucent color in smooth, even strokes and its valve-action nib allows for efficient use and effectively controls the ink's flow. Each marker contains 12ml of ink that is alcohol-based, does not contain harmful solvents and is xylene-free. They conform to ASTM D-4236.
Super Black alcohol-based ink is permanent and opaque. High quality ink works well on almost everything. 12ml capacity. Excellent for use on paper, cardboard, metal, and painted surfaces. Double-sided nib, 3mm bullet or 5mm chisel, writes on most surfaces. A great all-around marker for everyday use. Long-lasting.