Currently unavailable.
Kenna frame closet-sliding door roller with one inch wheel.

 1 inch  diameter  nylon.
 7/32 inch Wide  5/16 inch vertical adjustment.  
 See 2nd image for adjustment. 

To adjust roller:
1. The locking bar has to be raised.
2. The tab is pushed forward and moved up or down. 
3. The locking bar is dropped back down to lock in place.  

Replaces old style that has 3 inch base with holes on 2 inch center.

Diameter: 1-inch
Material: Nylon
Mount: Top
Roller Diameter: 1-inch
Roller Edge Type: Flat
Roller Material: Nylon
Type: Flat

Priced and sold in pairs.