Roller Assembly (Flat) - Sliding Windows, Vertical Rail - Nylon.

This Roller is constructed out of Nylon
It is installed on the vertical rail
The Housing is Nylon
The Rollers are Nylon
The Roller surface is Flat
This design is used by several manufacturers including A-1 Aluminum, Horizon, Sun Air, International and Patio Concepts

Material: Nylon
Roller Diameter: 1/2 inch
Roller Edge Type: Flat
Housing Length: 1-15/16 inch
Guide leg Slot width: 1/8 inch

Contents
2 Roller assemblies

Priced and sold in pairs.