1:Yag Laser Marker Machine for numbered bar codes 2"Marking Scope:110*110(can chose) 3: ... 0.1-1.0mm Yag Laser Marker Machine for numbered bar codes are detailed as follow:Technical parameters:ModelHW YAG-ZJ50 ... appliances, communications, hardware, tools, accessories, precision instruments, eyeglasses and clocks, jewelry, auto parts, plastic buttons, construction material, PVC pipe, medical equipment ...