Photo 1 of 2 PCS 12mm x 1000mm (0.472 x 39.37 inches) Vigorous Linear Motion Rods, Case Hardened Chrome Shaft Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance

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Photo 1 of 2 PCS 12mm x 1000mm (0.472 x 39.37 inches) Vigorous Linear Motion Rods, Case Hardened Chrome Shaft Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 TolerancePhoto 2 of 2 PCS 12mm x 1000mm (0.472 x 39.37 inches) Vigorous Linear Motion Rods, Case Hardened Chrome Shaft Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance