This stainless steel KeyRack features a larger size #4 SlideLock Carabiner and pairs it with five of our favorite stainless steel S-Biner MicroLocks that securely hold two keys apiece and make it easy to attach and detach them with a simple twist to lock and unlock. The wide-gated #4 Carabiner body features the innovative Nite Ize slide-to-lock mechanism and allows you to securely attach your KeyRack to just about any convenient strap, hook, or belt loop.