The standard 4642 arm comes with a 8 3/8" long rod and shoe and will likely bottom out when used on an opening with no reveal (flush condition) BUT -----
You can use the 4642 on a doorway with a flush condition (no reveal on push side) by using the shorter 4040XP-79 rod and shoe (6 3/8" long) which will accommodate a flush condition. The 4040XP-79 will need to be ordered separately.
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