Charcoal Laser Aerosol Marking Spray by Enduramark
Amazon.com : 12 Oz - BLI101 - Aerosol Black Laser Ink for Metals Marking - CO2 Laser - Fiber Laser - YAG, Durable, Permanent, High Contrast, Brilliance Laser Inks : Arts, Crafts & Sewing
CO2 Metal Marking Spray - Marking Metal with a CO2 Laser Machine - Epilog Laser
Marking metals - CerMark - Thermark
LaserBond Aerosol Black Laser Marking Spray 100 (12 oz), Works with All Laser Engravers, Printers | CO2, Fiber & YAG Laser | LBT 100 Permanently Marks on Most Metals, Glass & Ceramic - - Amazon.com