The Pneumatic Propen offers clear and quick part marking at an affordable price. It is ready to use on delivery and comes complete with a user-friendly training video and manual Unlike embossing and hand stamp marking, micro- percussion technology requires no additional consumables. The marking tool vibrates quickly and can mark between 1 to 5 characters per second depending on the height of character. it marks highly legible clean and permanent marks onto materials such as metals, plastics, composites and woods etc.