Flat Roller Assembly for Sliding Windows.

This Roller is constructed out of Nylon and Brass
It is installed on the vertical rail
The Housing is Nylon
The Rollers are Brass
The Roller surface is Flat
This design is used by manufacturers such as Guaranteed

Material: Nylon and Brass
Roller Diameter: 5/8 inch
Roller Edge Type: Flat
Housing Length: 1-5/8 inch
Housing Width: 9/16 inch

Contents
2 Roller assemblies

Priced and sold in pairs.