Laser is very suitable for marking and depth engraving of metals and hard-metals (seals, mould inserts, stamping dies) when it excels in the permanency of result, accuracy, speed and flexibility. There exist practically no limitations in the engraving graphics. The result of laser technology application is an accurate and permanent description that can only be removed by a brute force. Normally, the laser is used for engraving stainless steel, tool steel, hardened metals, brass, gold, aluminium, titanium. It is possible to engrave even a lacquered surface and even anodized aluminium is easy to engrave.