KeyRack Locker key ring from the American company Nite Ize.
The patented latch design ensures that you won't lose it when you least expect it. Carabiner can be quickly and easily attached to the belt loop, backpack strap, purse strap and many other places. The set includes six S-Biner MicroLock carabiners made of aluminum. They are equipped with a MicroLock® lock that locks both closures at the same time - preventing unintentional, accidental opening.
The different colors of the carabiners make it easy to quickly identify the right key.