Fits Milgard? Doors Stainless Steel Construction Tandem Rollers Assure Smooth Rolling Action This CRL Stainless Steel Sliding Glass Door Tandem Roller Assembly fits doors made by Milgard?, and features a 11/16" (17 mm) wide, 1-11/16" (42.9 mm) tall adjustable stainless steel housing assembly that encloses stainless steel rollers. The assembly is designed to be used in severe weather environments. Minimum Order: 1 Package Additional Product Information: Each package contains one roller assembly.