ANWOK 2Pcs Linear Guide Rail HGR20-600mm + 1PCS SFU/RM1605-600mm Anti-Backlash Ballscrew with BF12/BK12 Kit, DSG16H Nut Housing, Coupling, Slide Blocks Linear Rail Ball Screw Set for CNC DIY - size: HGR20-600mm+SFU1605-600mm, style: HGR20+SFU1605

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