Height: 1 1/4"
Length: 1 1/2"
Thickness: 13/16"
Adjusting screw is on bottom of bracket; screw to secure assembly into door frame is on the top; assembly has dimples on it.
Door frame is all aluminum. I believe it is original door; house was built in the 80's. Could not see any mfg. names or numbers on door or roller assembly.