SKU D 1699
This is an F-tab patio door roller assembly with a 1-1/8 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 7/8 inch dimples, 1 inch tall and a rear adjusting screw. Used by a variety of patio door manufacturers.