High Speed Long Life Laser Diode 10W/20W/30W Marker Anshan Radar Laser Technology Co., Ltd. Base Info Carving Material:Stainless SteelStandard Marking Area (Mm):200X200 or 300X300Laser Repetition Frequency:20kHz-100kHzMin Character Size:0.4mmControl Software:Imported Professional CNC Softwa Description Pre:Tube Facing and Squaring Machine for Stainless Steel Tube or Pipe Next:CNC Machining Prototypes for Automotive