Home / Products / Immunofluorescence / Accessory Reagents / Permanent Histology Marking Pen Permanent Histology Marking Pen The ImmPrint™ Histology Pen (H-6100) is a solvent-resistant permanent marking pen designed for writing on frosted glass microscope slides, tissue cassettes, and most hard surfaces. The high density, fast-drying, black ink is resistant to most organic solvents encountered in histological applications such as alcohols and clearing agents. Unlike other pens commonly used for histology, the ImmPrint™ pen has a smooth writing tip that resists drying out. 1 Showing Position Name Catalog Number Price View as: List Grid Show 30 60 120 ImmPrint Permanent Marking Pen Catalog Number: H-6100 Unit Size: 5 pen set Add to Wishlist | Add to Compare $75.00 Add to Cart 1 Showing Position Name Catalog Number Price View as: List Grid Show 30 60 120 Didn't find what you were looking for? Submit a suggestion.