Description: SFU1204 L-700mm rolled ball screw C7 with 1204 single ball nut for BK/BF10 end machined CNC partsMaterial: Stainless steelLength: 700mmDiameter: 10mmBall nut outer diameter: 22mmSuitable for:BK/BF10 end machined CNC partsNote:1.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Included :1 X SFU1204 700mm Rolled Ball Screw with BK10/BF10 end machining1 X SFU1204 Ball Nut