Histo-Quill Ultrafine Tip Pen for Casettes and Slides, 12/pk

The Histo-Quill permanent ink marker pens with ultrafine tips are designed for use on microscope glass slides, coverslips and cassettes. The ink is quick drying and is the ideal thickness and size for macroscopic and microscopic visualization. Highly resistant to aqueous based stains, alcohols, xylene and xylene substitutes. Also works well for general lab usage for routine writing.