Specification: Diameter: 12mm Material: Carbon Steel Performance: Smooth motion, low noise Rail Shafts: 2Pcs SBR12-500mm Bearing Blocks: 4Pcs SBR12UU Rail shaft length: 500mm Rail Shafts: SBR12, 500 mm Diameter: 12 mm Item Weight: 2058 Grams Bearing Type: Ball Bearing Rail Shafts: 2 × SBR12-500mm Optical axis hardness: RC58-60 Accuracy optical axis: G6 Colour: Silver Size of screw holes: M5 Description: Good quality, good operation. Please check pictures for more details. If you have any issues about the model, please contact with us! .
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