Mounting hole of the mailbox
●58type mail box
　PH-58P,PH-58PD,FH-58P
　→58type
●30type mail box
　PH-30,PS-30H,FH-30
　→30type
●50type mail box
　PH-50,PS-50H,FH-50
　→50type
●60type mail box
　PH-60,PH-60D,PH-60UD
　→60type
●80type mail box
　PH-80
　→80type
●614type mail box
　PH-614,PH-614D,FH-614D,FHM-614D
　→614type