Hand-operate Press Number Marking Machine 1.manual,low ... 3.mark scope105*75**2mm 4.marking for nameplate Hand-operate Press Number Marking Machine,Semi-automatic nameplate press ... technical parameters :1 engraving font size: 3 (4, 5) of the word 2 engraved contents: letters A ~ Z, numbers ... 0 to 9, symbols & * / - A total of 40 3, applies to materials: aluminum, copper, steel (not quenched ...