{HEAD ~ Cocking hole} 24 is made in {TAIL ~ one lower corner} of mailbox door 12, depending on which side of mailbox 10 the second configuration signal device assembly 20 is to be installed 
{ HEAD ~ Cocking hole } 24 is made in { TAIL ~ one lower corner } of mailbox door 12 , depending on which side of mailbox 10 the second configuration signal device assembly 20 is to be installed
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH