... gear of X,Y axis Ball screw of Z axis)Linear Square rail Working Dictate HPGL, G Code.u00.mmg.pltSoftware ... easily.4.Dust protector and waterproof design ensure stable transmission. Application:3D/2D engraving,Embossment,Line engraving ,Cutting,Edge inversing,Drilling ... ,Artifical stones,Tombstones,Milestones,Ceramic,Glass and so on. square linear guide stepping driver advertising cnc router