This is a unique, one of a kind, trolley style roller assembly with two parallel 1-1/4 in. concave steel rollers in a stamped steel housing. Used on Guaranteed Products patio doors, it's unique housing fits into the bottom rail held in place by the two existing screws in the door. Use Prime-Line part D 1547 for the nylon roller version.
- Designed for use on Guaranteed Products sliding patio doors
- Mounting holes on the back end of unit
- 1-1/4 in. diameter double concave ball bearing rollers
- Stamped steel housing and steel rollers
