This is a 7/8 inch tub & shower door nylon ball bearing roller with an oval edged wheel. It has a threaded hex head hub that uses an 8-32 x 3/8 inch long Phillips binder head machine screw to fasten it to the door bracket. Used on many different tub and shower top roller systems. See M 6000 for 3/4 inch roller.

• Used for bathroom tub rolling doors
• Non-handed for left or right sling doors
• 7/8 in. diameter roller
• White plastic construction with binder screw