These Solvent Resistant Pens feature ultra-permanent ink that resists solvents such as xylene, alcohol, acetone and formalin. Ideal for histology and cytology. Markings will not run on embedded cassettes, frosted or painted slides or labware, even after repeated washes and solution treatments.…

Versatile Fine point nib Glow Writer provides a quick and convenient method for marking autoradiographs. Suitable for marking plastic, paper and dried polyacrylamide gels, this versatile self-contained marker is reusable and does not require additional labeling material. Fine point nib…

Use for labeling samples stored at room temperature and not exposed to chemicals and/or caustic agents. Teeny Writers are perfect general use lab markers. Thomas No. 1221R53 : The "Original Teeny Writer" has an extra fine tip. Recommended for writing on all our labels for samples…