2oz/60ml capacity. Alcohol-based paint is permanent and opaque. Excellent for use on metal, coated paper, and painted surfaces. 

4mm steel rollerball tip writes on most surfaces, rough or smooth.
The K-66 has a squeezable body that helps control paint flow. Steel tip creates unique lines. 
Handmade in the USA.

Conforms to ASTM D-4236. Prop 65 compliant. Uses safer alcohol-based paint.
Warning: Flammable and may cause irritation. Keep away from children.