Pen style Chaco liners fine point permits accurate drawing of both straight lines and free hand curves. The fine point makes lines and marks more visible and is easy to use with a straight edge ruler. Powder can be brushed away and any persistent marks can be washed with detergent. The case is transparent and you can easily see how much powder is left. Once you run out of powder, you can simply exchange the cartridge.
Refill available here in 2 different colors - blue & white.
Pens also available here in 5 different colors - blue, white, pink, silver and yellow.