Engrave your text, logos, designs, bar codes, and more across flat metal, stone, or hard plastic surfaces with pinpoint precision. Marking Speed 157 ips (4000 mm/s). Once installed, the high-performance rotary motors will convert the instructions from your control computer into precise movements of the X and Y mirrors to mark your text, designs, logos, serial numbers, bar codes, and more across flat surfaces in metal, stone, and hard plastic at speeds up to 157 ips.