what does EE mean

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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 thickne...
The standard door range for an AL lock is 1 3/8" to 1 7/8".  Using the supplied instruction sheet, align the springcage post to desired door thickness by adjusting the outside castle nut. See inst...
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...
Specify how the door is extended and the door thickness.  Pricebook availability: D knobs ordered for Extended Equally (EE) and Extended Differently (ED) doors over 2" up to 2 1/2"...