1.Description: Aluminum Frame Plastic Roller Rail
  Model No.W-38GB
  Brand: Tian He 
2.Specifications:
  Frame: Aluminum Extrusion
  Roller Wheel: ABS or PE, Φ38mm*24.5mm, Yellow, White or Black
  Shaft: 45 Carbon Steel
  Pitch: 45mm
  Roller Wheel Load:20kgs/Piece
  Length:Customized

3.Specifications:
   Material:carbon steel+pp wheel