This is a F-tab patio door roller assembly with a 1 inch concave steel ball bearing roller. When the corner screw passes through the F-tab the assembly is captured by the side stile and bottom rail as the screw draws the two sides together. The housing is 9/16 inch wide with a 3/4 inch flare, 1-1/16 inch tall and a rear adjusting screw. Used by King Mirror and a variety of other patio door manufacturers.
Used by King Mirror on vinyl or metal framed sliding patio doors and a variety of other patio door manufacturers
F-tab style stamped steel body and roller with 1 inch diameter concave ball bearing tandem rollers
Rear adjusting screw included, reuse your current mounting hardware (Not included)
Please refer to the line art drawing and compare with your original item before purchasing (Not Universal)