Product Details:

• Noise Free Sliding
• 
  
  This CRL Deluxe Rolling Track Assembly has a deep aluminum upper channel with an aluminum shoe. The rails drop into the double lower channel. The nylon rollers allow up to 1/4 inch (6 millimeter) glass doors effortless sliding. This assembly can be used for residential and commercial installations.
  
  NOTE: General Glass Cutting Dimensions Guidelines
  Glass Height = Opening Minus 1-5/8 inches (41.2 millimeters)
  

• Length: 12 ft in (3.66 m)
• Color: Brushed Nickel