Product Details:

Shower Door 1" Diameter Ball Bearing Roller Assembly for Sliding Shower Doors.

This sliding shower door roller assembly has ball bearing nylon roller for easy and smooth door opening.

Fits glass from 3/16" to 5/16" thick.
Requires hole 1/2" diameter.

Roller Diameter: 1".
Roller Width: 1/4"

Material: Nylon.

Note: Requires hole 1/2" diameter for installation.

One Upper and One Lower Roller Assembly per package.