1-1/2 inch nylon ball bearing roller.
Adjustable steel housing assembly.
Used by Marshall Aluminum and other glass door manufacturers

Diameter: 1-1/2-inch
Housing Tab Style: Plain Back
Housing Width: 5/8-inch
Material: Nylon
Roller Diameter: 1-1/2-inch
Roller Edge Type: Concave
Roller Material: Nylon
Roller Width: 5/16-inch
Type: Concave
Width: 5/8-inch

Priced and Sold Each.