The AJ-4 Locking Device is designed to deter tampering with meter valves.  It is made of a corrosion resistant material (cast aluminum) with a 3/16” proof chain affixed.  The chain will accommodate either a barrel lock or padlock.  It is available in either ¾” or 1”.  American made product.

AJ-4 3/4” Lock

AJ-4 1” Lock