This is a combination of a 1-1/4 inch diameter nylon concave ball bearing roller that is 5/16 inch thick with a 1/4 inch axle hole and a combination of five different axle choices. Depending on the situation, you can choose to rivet the roller into place or use a roll pin, drive pin, binder post and screw or bolt and nut. Regardless of how you need to install the new roller into your existing roller housing, in most cases, one of the five choices will work.
Nylon constructed ball bearing roller. Includes assorted axles for various installations. Fits many different patio door roller assemblies. Metal comes plated in a gold zinc finish.