1.   Window Roller, tandem; POM wheel,

2.   Nylon housing, brass axle diameter .295 inch at wheel location, .255 at housing;

3.   Nylon wheels OD .529 inch, ID .298.   .84 inch wide housing.

4.   Screen Door Roller, single wheel, with adjustable spring5.   Wheels can be offered in various diameters

Window Roller 1135B