Kit include:

• 2PCS Zinc Alloy 8mm Inner Dia 55x13x30mm Pillow Block Bearing
  
• 4PCS Aluminum 8mm Innner Dia 42x32x11mm SK8 Linear Rod Rail Support Guide Shaft Bearing
  
• 2PCS Aluminium Alloy D19L25 5x8mm Flexible Shaft Coupling
  
• 4PCS 8mm Inner Dia L34.5mm SC8UU Linear Bearing
  
• 2PCS 8mm L400mm Linear Shaft Optical Axis
  
• 1PCS Stainless Steel & Brass L400mm D8mm 8mm Lead Screw Nut