Black marking solution Economical solution, safe to use. Metal Marker G is the best ready-to-use solution for metal black laser marking The best cost saving solution on the Market Metal Marker G has been designed to reduce product consumption. When similar spray technology products waste up to 65% material in the air, our solution offers a coverage power per gram 10 times more efficient. A safe application This black laser marking is applied locally without spreading the product in the air: it is not necessary to wear a mask during the process. Moreover, its sealed bottle guarantees an easy storage and a long lifetime (1 year) even after several uses. A black marking on metal The Metal Marker G is a metal black laser marking product for CO2 laser engravers. It allows a black marking on aluminum, brass, mild or stainless steel, magnesium and copper. Resistant to UVs and chemical products, this unique coloring solution becomes your essential to create a durable black marking on metal with your CO2 laser engraver.