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.