- Unique four-in one design creates four line widths from one double-ended marker.
- Creates a variety of line widths by increasing (or decreasing) pressure and twisting the barrel.
- Brilliant, permanent ink and four line widths from one double-ended marker
On one side is a special tip nib that features three line widths including broad, medium and thin. This nib allows for relatively fast spontaneous art and a juicy ink flow. The other side features an ultra-fine tip, with it you can sketch detail or clean up road marks left behind while using the other side. The ink is non-toxic and has minimal odor.

