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

This is a E-tab patio door roller assembly with a 1-1/8 in. concave steel ball bearing roller. As the corner screw passes through the E-tab it captures the roller assembly and positions it in the door's bottom rail. The housing is 19/32 in. wide with 7/8 in. dimples, 1 in. tall and 2-1/8 in. long. It features a rear adjusting screw. Used by Viking and a variety of other sliding patio door manufacturers