Rivolier Modele 2002 High Security Handcuffs

These handcuffs use two keys. One for single lock (which is spring engaging and thus the key is only required to unlock them) while the second key is used on the double-lock and is required to lock as well as unlock this. The first key is a rather simple single-bit key similar to, but sligtly larger, a standard handcuff key. The second key is a pin-tumbler key. Oddly, the same key is used on all variations and version of these handcuffs reducing, somewhat, their security.