【Pneumatic- Need to Connect to a Computer】Needs to be connected to a computer. There are a variety of sizes to choose from. "portable marking machine" has high performance such as high frequency linear forming, superior dot matrix performance, deep marking, multi-board configuration, lightweight and portable 【Pneumatic touch screen model - No Need to Connect to a Computer】Equipped with an industrial-grade touch screen, you can input printing content directly by touching the screen, or you can use it with an external keyboard and mouse without having to equip a computer 【Movable Scribe Marking Machine】Hard marking needle provides a strong intensity, which makes the pneumatic marking machine mark deeper with better effect. Custom designed based on the most powerful pneumatic scribing sys-tem, suitable for marking large metal parts, extreme low noise deep steel marking 【Multiple Uses】Dot peen engraving marking machine has the function of plane arc marking, which can meet both flat marking and on various metals such as steel, stainless steel, iron, copper, aluminum, alloy, etc. and hard non-metal labels and accessories 【Application】 Pneumatic engraving machine tools are widely used for characters, letters, serial numbers on motorcycle bodies, connecting rods, engines, steel pipes, cylinders, various stepping motors and mechanical parts, machine tools, metal pipes, pump bodies and other parts marking, valves, fasteners and various rigid plastic products