The lock bolt is in the mailbox does not always withstand the encroachment of the feeder bullies. Too primitive its form is thin and the iron from which it is made.
But if you replace the stock bolt with steel plate cross-section 20×3 mm, bent as shown, so just the box, no one will open.
Recommend to read
AMPHIBIAN ON BED
We present a prototype of the amphibious machine is a device hovercraft (Ohr) under the name "Aerodzhip", publication of which was in the journal "modelist-Konstruktor" No. 7 for 2007....
SECURE OR CLAMP
When sawing with a jigsaw, a reference platform for tablets is normally attached to the table clamp, which is not very convenient if you have to work often. Several upgrade mounting...
