Features: - Solvent-resistant permanent marking pen - Designed for writing on frosted glass microscope slides, tissue cassettes, and most hard surfaces - High density, fast-drying, black ink is resistant to most organic solvents encountered in histological applications such as alcohols and clearing agents - Has a smooth writing tip that resists drying out - Unit Size 5 pen set Applications: - Immunohistochemistry - Immunocytochemistry - Immunofluorescence - In situ hybridization Details: The ImmPrint™ Histology Pen 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.