Agents wanted desktop pneumatic marking machine for metal parts 1 portable,easy to move 2 CE 3 ... agents all over the world Agents wanted desktop pneumatic marking machine for metal parts Features:1, The pin marking machine serial number ... -- 1mm adjustableMarking Dirctionup,down,left,right,circle Marking Characterssizes,spacing for adjustment,character size covers 2-80mm,even bigger Impact frequency ...