On 2/22/2014 10:14 AM, Bob_Villa wrote:
On Saturday, February 22, 2014 12:34:08 AM UTC-6, wrote:
I'd like to install an electric doorknob. Is this a difficult job?

DD/3 means "backset"! (and yes they are battery operated)


As a locksmith of 25+ years, backset
is the distance between the edge of the
door to the center of the lock hole.
Typically 2 3/8 or 2 3/4 inches.

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Christopher A. Young
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