Flat Roller Assembly for Sliding Windows.

This Roller is constructed out of Nylon / Brass
The Housing is Nylon
The Rollers are Brass
The roller surface is Flat
This design is used by manufacturers such as Better-Bilt

Material: Nylon / Brass
Roller Diameter: 5/16 inch
Roller Edge Type: Flat
Housing Width: 5/16 inch

Contents
2 roller assemblies

Priced and sold in pairs.