what does extended inside mean for locks

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Most locks will have a standard door range they will install on, but occasionally customers will want to use them on thicker doors.  In order to do so, the extended door thick...
Specify how the door is extended and the door thickness. Example 3" EE    Pricebook availability:    Extended Equally (EE)- Over 2"- 6" Extended Insid...
Only the chassis components are modified for thicker door applications, the lever and spindle assemblies remain intact.  The following parts may be modified depending on the function of the lock ...
The L9000 lock can be ordered for doors greater than 1 3/4" thick.  The allowable door thickness is dependent on the L lock function and how the lock is extended.  All locks for exte...
Place any new orders per the following table ...
 Mortise Deadbolt Locks  Discontinued  Replace With  CO200MD  70-Classroom/Storeroom  40-Privacy  CO250MD  70-Classroom/Storeroom  40-Privacy  AD200MD  70-Classroom/Storeroo...
* NOTE: the AD300/400 devices simply communicate the change in Deadbolt Position status to the Host software.  The software then decides what action should or should not be taken at the device. 
Schlage ND-Series tailpieces for extended doors are available by only two means, but are not available to order separately.   If an extended tailpiece is needed, then a complete lock ...
The easiest method to obtain an AL lock for a 2" door is to specify a 2" thick door when ordering.  
Part required by function:2 each A700-043 driver & A700-034** lever insert in addition to the chassis parts below:AL10S – 2 hubs A700-028AL25D – 2 hubs 1 A700-028 (inside), 1 A700-030 (outside)...
LGO, LGO-3, LGO-4