Fluorescent Ruler, 3 Pack

This plastic metric/English scale is printed with a highly visible, glow-in-the-dark pink phosphorescent ink. Under UV light the ruler graduations glow visibly and help to calculate nucleic acid mobility. The ruler is marked 0 to 15cm in millimeter increment, along one edge and 0" to 6" in 1/16" increments on the other edge. 

High visibility, glow-in-the-dark scale
• Ideal for viewing fluorescent images and fluorescent photography

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