Roller Assembly with 1 Inch Wheel for Sliding Screen Door.
Available Wheel Materials: Steel and Nylon.
This Roller is used by Columbia Doors.
11030 is a different roller that looks like this one but the housing is thicker.
Roller Edge Type: Concave
Roller Material: Nylon and Steel
Roller Width: 7/32 Inch
Roller Diameter: 1 Inch
Contents: 2 Roller Assemblies
Priced and Sold in Pairs.