The Rhino Ring is a preloaded hinged high security meter locking ring designed for quick and easy installation. The Rhino Ring comes preloaded requiring no key for installation. A simple push in the barrel lock secures the ring. The unique preload feature allows the lock to be removed and preloaded as needed. Available in standard (long) or short length barrel lock versions. U.S. Patent Number 6,684,670

Rhino Ring