The pens in this set have a 4-8 mm chisel tip

using the same flat

so you can pick the look that fits your style

Suitable for most kinds of inks and paints

Use a lot of ink

on the run otr 901 soultip paint refill 500 ml Sonick The pens in this setOTR. 901 Soultip Paint in a 500ml refill bottle. Alcohol based, highly opaque paint with high gloss finish that's super permanent on most surfaces. Works with mops, markers, brushes, or airbrush versatile enough for whatever application you need. Highly pigmented with strong coverage. Weather resistant once dry, so it holds up indoors or outside. Available in 5 colors. 500ml gives you solid refill capacity for keeping your markers and mops running.