This item is discontinued.
Review 508141 as possible substitute


Pair of Window Rollers 1/8 inch x 1/2 inch
Aluminum bracket with 1/8 inch x 1/2 inch flat nylon wheel.
Used by international King-Queen series as well as Academy and A-1 Aluminum.

Diameter: 1/2-inch
Material: Nylon
Roller Edge Type: Flat

Priced and sold in pairs.