Description:

This steel ball bearing roller assembly is used to replace damaged or missing tandem roller assemblies in patio sliding glass doors.
5/16 inch wheel thickness (width) x 1-1/4 inch, 11/16 inch wide housing, 1-1/32 inch housing height, 3-1/8 inch housing length.
Used by several manufacturers.
Steel housing construction with steel ball bearing wheels.
Provides smooth operation.