Tandem Roller with Brass Wheels for Vinyl Sliding Windows

Tandem Roller with Brass Wheels for Vinyl Sliding Windows.
Roller consists of plastic housing and 2 brass wheels.
This Roller is used on Columbia Windows.
You may use these rollers with either 1 or 2 wheels.

Housing Height: 1/2 Inch
Housing Width: 5/16 Inch to 1/2 Inch
Housing Length: 1-5/16 Inch to 1-9/16 Inch
Roller Diameter: 3/8 Inch
Material: Plastic & Brass

Priced and Sold in Pairs.