WSDMAVIS 1 Pcs Panel Line Accent Pen Permeation Pen Leaking Pen Assembly Model Painting Tool Avoid Scrubbing Infiltration Line for Modeling Enthusiast

Works really well for accentuating panel lines with washes. Also works to lightly rescribing panel lines. Simple and effective at a very reasonable cost. Would recommend it.

Great price and easy to use, elevate your panel lining game!!!

This is pretty good, just have to clean it and it works fine for gunpla detailing.

Very useful and inexpensive.

Love this pen ! It has a very sharp point which delivers a steady flow of the liquid onto the surface. I use it for Tamiya Panel Line detailing, and it gets right in there to the smallest recesses. The pen holds the liquid up in the flute (?) until you get where you're going and then delivers all of it to the line, so just be careful not to put too much in the pen when you dip it into the inkwell. Old skool tech at its finest!