Tandem Ball Bearing Rollers.
This Sliding Patio Door Roller has two 1-1/4 inch (31.8 millimeter) diameter stainless steel ball bearing rollers. The steel housing assembly is 11/16 inches (17.5 millimeters) wide and one inch (25.4 millimeters) tall
This unit fits many different manufacturers sliding
patio doors.
Minimum Order: 1 Package (one roller assembly per package).