Prime-Line 3/8 in. Nylon Spring-Loaded Top Pivot with 1/4 in. Steel Pin MP6700

This is a 7/8 inch tub and shower door nylon ball bearing roller with a rounded edged wheel. It has a threaded hex head hub that uses an 8-32 x 3/8 inch long Philips binder head machine screw to fasten it to the door bracket. Used on a variety of different tub and shower top roller systems. If you require a larger roller use Prime-Line part M 6001 for 3/4 inch flat roller.