Flat Roller Assembly for Sliding Windows
This Roller is constructed out of Nylon / Aluminum
The Housing is Aluminum
The Rollers are Nylon
The roller surface is Flat
This design is used by several manufacturers

Material: Nylon and Aluminum
Roller Diameter: 3/8 inch
Roller Edge Type: Flat
Housing Width: 7/8 inch

Contents
1 roller assembly