Flat Roller Assembly for Sliding Windows.

This Roller is constructed out of Nylon
The Housing is Nylon
The Rollers are Nylon
The roller surface is Flat
This design is used by manufacturers such as Milgard

Material: Nylon
Roller Diameter: 7/16 inch
Roller Edge Type: Flat
Housing Width: 1/2 inch

Contents
2 roller assemblies

Priced and sold in pairs.