All aluminum bumper sills designed for outswing doors.
For standard threshold application, the part is supplied with three holes on center and 1/2" over net length (less than 48") and 1" over net length (48" and over).
For prehung application, the part is supplied according to fabrication options for thresho-sills -- Style 4 only.
Please specify whether the part is to be used for a standard threshold or for a prehung application.