The Ingersoll Rand 140EP pen is a precision tool for engraving on any surface, from alloys to brittle ceramics, the soft rubber grip and slim body design make it ideal for extended use. Pneumatic engraving pens INGERSOLL PNEUMATICA 140EP precision tools for engraving on any surface, from alloys to fragile ceramics. The soft rubber grip and slim body design make it ideal for extended use.