It is well known that Fiber laser has unparalleled advantages for engraving on metal and plastic surfaces. This is something that a conventional diode blue laser cannot do. If you want to engrave on a variety of metal surfaces better, then the R30 infrared fiber laser module is a great choice because it can be installed and used on your existing Atomstack equipment. Features: ✅ Applicable Engravers: A5 10W, 20W, 30W, M30, M40, M50, PRO, PRO+, P7 M30, P7 M40, P9 M40, X7, A10 PRO ,P9 M50, S10 PRO, X7 PRO, A20, A20 PRO, S20 PRO, X20 PRO. ✅ Various Applicable Engraving Material: Metals and alloys (all metals such as iron, copper, aluminum, magnesium, zinc, gold, silver, titanium, etc.), metal oxides, electroplated surfaces, ABS materials, inks, epoxy resins, leather, wood (painted), ceramics (painted), stone, etc. ✅ 0.03mm Circular Laser Spot. ✅ 20000Hz pulse energy (6 times stronger than 450mn blue light). ✅ 40W Machine Electric Power. Specification: Model: R30 Laser Spot: 0.03mm Pulse Energy: 20000Hz Applicable Engraving Material: Metals and alloys (all metals such as iron, copper, aluminum, magnesium, zinc, gold, silver, titanium, etc.), metal oxides, electroplated surfaces, ABS materials, inks, epoxy resins, leather, wood (painted), ceramics (painted), stone, etc. Packing List: 1 x R30 Infrared Laser Module