Specification: Feature: Smooth motion Performance: Low noise Bearing Blocks: 4 pieces SBR16UU Rail Shafts: SBR16-700mm Diameter: 16mm Size of the screw holes: M5 Accuracy of optical axis: HRC62 Hardness of the optical axis: G6 Material: Carbon Steel Item Weight: 3700 Grams Bearing Type: Ball Bearing Compatible Lubricant: Grease 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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