Parts and Tools: 4 or 6 or 8 SCS10UU 20 mm Linear Ball Bearing Motion Bearing CNC 2 x 300 mm 20 mm Linear Rails 2 x 400 mm 20 mm Linear Rails 2 pcs Aluminium Alloy Profile 400 mm x 80 mm 2 pcs Aluminium Alloy Profile 300 mm x 80 mm Aluminium Alloy 6061 400 mm x 120 mm x 12 mm. Aluminium Alloy 6061 400 mm x 800 mm x 12 mm. Linear shaft 20 mm x 400 mm aixs Linear shaft 20 mm x 300 mm aixs Linear Rail Shaft Support XYZ Table 1 pcs 25mm Linear Ball Bearing CNC