... light, convenient, it can satisfy all kinds of locale mark; Mark object: Chassis of auto and motorcycle, vehicle frame, motor ... parameter: Mark speed: 3 to 5 characters per second; Mark depth: 0.01 to 1 mm; Mark size: 150mmX40mm customized size; Mark content: ... stored automatically, repeated number prompt, stripe in-out mark; mark material: metal and nonmetal workpiece with rigidity below HRC60 ...