These Prime-Line Products 7/8 in. Flat-Edge Nylon Sliding Shower Door Ball Bearing Rollers with Threaded Hex Hub (4-Pack) fit in most J-style door tracks that are tall enough to take the wheel diameter.
- Fits most J-shaped tracks 7/8 in. tall
- Nylon construction
- 7/8 in. diameter ball bearing wheel with flat edge
- Threaded hex hub
- Includes 4 wheels with screws