Grogs Black Magic Ink is a special invisible ink that is totally invisible when applied but in turns into a deep dark color in reaction with daylight/UV-light

8 mm bullet tip for detail work — and the ink is the same water-based dye formula

It also blends overlapping marker strokes cleanly on dotted paper without pushing ink through to the next page

Tip: 20 mm round mohair nib — fast-drying

thin lines

kum memory points brush flat size 10 Zipit Grogs Black Magic Ink isAll around brush that fits perfectly with watercolor, gouache, acrylic or oil paint. KUM Memory Points Brushes have synthetic brush hairs with perfect elasticity that absorb the color really well. The brushes hold the shape and return to their original shape after each brush stroke. The high absorbency also allows you to get a lot of color in the brush. KUM Memory Points Brushes are handmade in Germany. This brush has a flat shaped brush tip size 10