Prime-Line Gold Steel Roller Assembly 1 pc

D 1729 is a "E" Tab patio door roller assembly with a 1-1/4 inch concave or grooved 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 inches wide with 7/8 inch dimples, 1 inch tall and a rear adjusting screw. Used by Viking and several patio door manufacturers.