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 allows for precise writing and high information density. Glow Writer's optimum concentration of phosphor ensures autographic exposure of any length will allow ink to glow. Simply shake the pen prior to use and write directly on the media. Use for recording run numbers, dates, exposure times and other data. Fine point nib is easy to replace.

• Phosphorescent marking pen for autoradiography
• Easily replaceable fine point nib