... size etching, such as advertisement,sign brand, equipment panel ,metal crafts & gifts ,etch various pattern and character in the ... ionization effect to strip the metal2)Processing all conductive metal ,like stainless steel, titanium plate,copper,aluminum,etc ... without a break.12)one person can finish whole working process.Specification: ModelWorking AreaOverall SizePower Weight Voltage currentBYT-30551 ...