100W, 200W and 400W Servo Motors. Heavy Duty CNC Router Linear Motion Guideway + Ballscrew Combined 12 inch Travel Stroke Double Axis Linear Motion CNC Router/Robot Module Dual Shaft Design 2005 Ball Screw Stroke: 12 inches Ball Screw Lead= 5mm Can work with the following Motors: 57/86 Stepper Motors 100W, 200W and 400W Servo Motors Linear Motion Guideways: SBR20 Accuracy: C7 Pack#VXB-S140K-310mm-5mm Maximum Speed: 250mm/second Pack#VXB-S140K-310mm-5mm patch#09/08/2020.