Lightning® Silver/Gray Powder is recommended for use on all glass, metallic, highly-varnished surfaces, hard rubber, safes, blue-steel guns or dark-colored surfaces. Lifts developed with Silver/Gray powder must be placed on a black backing card for optimal contrast. We recommended using a different Zephyr® Fiberglass Brush for each type of powder that you use.

• High sensitivity for developing latent prints on so many different surfaces including glass, mettalics, varnished surfac