This cabinet fiber laser enables you quickly and permanently mark or etch firearms, tools, metal parts, jewelry, bar codes, serial numbers, industrial polymers, etc. with metal markings. Best companion for varies industries including jewellery, cell phone, keyboards, auto parts, electric appliances, kitchenware, knives, glasses, stainless steel products, electronic components, sanitary equipment’s, buckles, communication apparatus... etc. Able to engrave codes, decorative maps, LOGO, serial numbers..etc; For all metals including gold, silver, copper, alloy, aluminum, steel and stainless steel. Also fits for non-metal including engineering plastic and hard plastic, etc.