The L-Series standard strike is the 10-072 and the available lip lengths are listed below.
7/8" (Flat or straight lip)
1"
1 3/16" (Standard for 1 3/4" doors)
1 1/2"
1 3/4"
2"
over 2" up...
The backset is 2 3/4" from edge of door to the center line of the device and strike.
The preparation for the WS98/99 strike must be specified when placing order for the frame.