... .linear round gui rail & ballscrew Multifunction 4 -axis CNC Engraving Machine ZK-6060 ApplicationsWood ,Metal, Stone,acrylic ,organic glass ... *1100mmSoftware operating enviromentWindows98/2000/XPSpindle power 2.2kwTransmissionChina high precision screwSpindle speed24000rmpGuide wayLinear round guider ( optional ... acrylic, organic glass, PVC, double color board, stone, jade processing. Sample pictures