The top of brush handle is a piston knob that controls the piston-filler and adjust the flow while using.
The exterior of these brush pens is like a regular fountain pen with a metal cap.
This pocket version piston brush pens are suitable to fill with ink, liquid watercolor or just water.
The brush pen is really like an actual natural hair brush.
No more worries of being dried out or too much inks flowing because of the piston.
It doesn''t need any expensive special ink.
It is a portable brush that you can draw outside too.

Technical Details

Product Details

Package Dimensions
Width : 1.7 inch
Height : 0.3 inch
Length : 6.5 inch

Shipping Weight: 0.32 ounce (View shipping rates and policies)

ASIN : B004D9YVIG