1-1/4 in., Steel, Tandem Roller Assembly with Ball Bearing and Plain

Easily operate your door with the Prime-Line Products back patio door roller assembly. The housing is 11/16 in. wide and 1 in. tall with a 1/4-20 threaded mounting hole on the back. The steel construction and sleek finish make it as stylish as it is durable. Used by Keller and many other sliding vinyl patio door manufacturers.