NAM Ruling Pen

The NAM Ruling Pen, a staple tool for draftsmen and architects, allows for precise line and technical drawing creation. Its two adjustable metal blades enable variation in line thickness, making it the perfect tool for those seeking precision in their marks.

When using the pen to apply masking fluid, simply dip it into the fluid to fill the reservoir, then hold it against the paper with the screw to the side. Lightly move the pen over the paper to disperse the fluid, but be sure to test its flow on a spare piece of paper before using it on your painting.