Prime-Line 1-1/8 in. D X 5/16 in. L Brass Steel Roller Assembly 1 pk

This is a C-tab patio door roller assembly with a 1-1/8 in. diameter concave, or grooved, steel ball bearing roller. As the C-shaped tab fits around the corner screw, it is captured by the side stile and bottom rail as the screw draws the two sides together. The housing is 23/32 in. wide and 1-3/16 in. tall with a dimple width of 7/8 in., and most often used by Solar Industries and a variety of other patio door manufacturers.