1 Set CNC 3018 Pro X-Axis Upgrade Kit & 1 Set Nema17/23 42BYG/57 Stepper Apply 45mm Spindle T8 Copper Anti-Backlash Nut

note:SCS12VUU: The suitable optical axis diameter of the product is 12 mm and the lead of the T8 screw is 4 mm (one circle is 4 mm) SCV10VUU: The suitable optical axis diameter of the product is 10 mm and the lead of the T8 screw is 4 mm (for example CNC3018 CNC3018PRO) Colour:Silver Material:Aluminum alloy size: Fixture inner diameter:45mm Package Contents: 1 set x axis upgrade kit 1 x Z axis with motor 1 x adapter board 1 x fixture Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.