This is a top, center mounted, adjustable, roller assembly. The 1 in. flat nylon roller is attached to a stamped steel housing mounted on top of a 5/16 in. threaded steel rod. Used on Like closet doors 3/4 in. to 1-3/8 in. thick, it threads into a top bracket like Prime-Line part N 6797.
Used by a variety of by-pass door manufacturers
Can be used with any thickness door
White nylon construction
Mounting hardware included
A Phillips head screwdriver is required for Installation
For further dimensional information, please see the line drawing