Set of 2 Tungsten Carbide Manual Pen Engraving Tool Metal Glass Concrete Jewelry

This is a set of two Tungsten Carbide Tip Engraver pens.

One pen is silver with a black stripe and the other is blue. The pens are used for engraving and marking metals, glass, concrete, and jewelry. 

Both measure about 6" long and 0.25" wide.

They are in good pre-owned condition.