Pushbar Length: Standard sizes: dimensioned for 30”, 36”, 42”, and 48” openings. Standard width bars can be field cut to the next smallest opening width. Backset: Backsets available in 31/32”, 1-1/8”, and 1-1/2” Door Thickness: Suits 1-3/4” standard. Can be modified for thicker doors. Stile Width: Minimum 2” Stile. Fits narrow