Dyne Test Pen is a versatile solution for various tests including the hardness of materials, the stability of liquids, and the strength of adhesive tapes. The DYNE Test Pen is a non-contact application measuring instrument, which can be used in your own laboratory or in industrial production. It works with a variety of materials including metals, ceramics, plastics, and wood. The DYNE Test Pen is available in many colors, including black, white, grey, red, and green. Dyne Test Pen is a mechanical device used to make marks on paper or other surfaces. They are used by writers, artists, students, and people with a range of other professions. They can be used to write words, draw pictures, or doodle.