Grooved Roller Assembly for Sliding Windows.

This Roller is constructed out of Steel, Brass and Nylon
The Housing is Nylon
The Rollers are Brass
It has a Steel Axle
The roller surface is Center Grooved
This design is used by several manufacturers

Material: Steel, Brass and Nylon
Roller Diameter: 5/8 inch
Roller Edge Type: Grooved
Housing Width: 1/2 inch
Hole Center: 1 inch

Contents
2 roller assemblies

Priced and sold in pairs.