3/4" Oval Edge Nylon B.B. Sliding Shower Door Roller; Threaded Hex Hub - Package
The Most Popular Tub and Shower Door Roller This Tub and Shower Door Roller is a 3/4 inch (19.1 millimeter) diameter nylon ball bearing roller with a 7/16 inch (11.1 millimeter) threaded hex hub. Minimum Order: 1 Package Two rollers with Phillips screws per package.