JK-1212 Wood CNC Machine with two heads : 1.Z-axis working area:120mm 2.stepper motor ... speed:0-24,000rpm JK-1212 Wood CNC Machine with two heads :Particular style, competent for elaborate engraving and cutting.The ... -12.7mm,6mm,3.175mmNo.of spindle heads optionalone or two headsN.W.400KG.G.W.450KG.Packing size(wooden crate ...