Dixon Phano Nontoxic China Markers, Nontoxic, Paper Wrapped, Black, Ideal for marking on glass, plastic, film, paper, metal, rubber, almost any surface. Bright colors deliver vivid marks. Marks easily wipe away clean from any smooth surface.
QuadraSource* Power Supply, Features an easy-to-use, full programmable interface for setting voltage, current or timer control with each parameter displayed in real-time, Programs may be paused or resumed at any point