cnc engraving machine 1.used in advertising,woodwork and metalwork 2.certification:CE / FDA 3.high precision of cnc machin Parameters: ... -24000rpmTool Diameter 3.175,4,6Voltage 220VProduct Description:LD3030 Small metal engraving machine with movable table can be used to make signs ... :Copper, Aluminum,Glass,Acrylic,PVC Board,Wood plate,marble etc. Small Engraving Machine with movable worktable