Roller assembly with 1-1/2 inch steel wheel for sliding patio door.
Roller consists of 1-1/2 inch steel ball bearing roller and adjustable steel housing.
This design is used on several door manufactures including Daryl and Patio Magic doors.

Roller Diameter: 1-1/2 Inch
Roller Width: 5/16 Inch
Housing Width: 3/4 Inch
Housing Length:2-5/8 Inch
Housing Height: 1-1/4 Inch
Roller Edge: Concave
Roller Material: Steel

Contents: 1 Roller

Priced and sold each.

Helpful Article: How to Replace Rollers in an Aluminum Sliding Glass Door