For Use with 1/2" (12 mm) Depth Top Rail
Lateral and Centering Adjustment

The s-side load arm has an adjusting screw at the end of the arm to allow the door to be adjusted in or out to match the jambs. The two bolts in the other end of the arm adjust the centering of the door. Used in 1/2" (12 mm) depth top rails with a notch in the side.