The 33A/35A/98/9947 will work on doors with a maximum undercut of 1/4" and the 33A/35A/98/9948 will work with a undercut over 1/4" and up to 3/4".
The 47 top and bottom latches throw 5/8" and the 48 top latch throws 3/4" and bottom latch throws 1- 1/2".
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