Nite Ize Size-2 S-Biner SlideLock Dual Carabiner, Locking Gates, Stainless Steel, Black LOCKABLE DUAL CARABINER - this S shaped stainless steel carabiner has two gates with sliders to lock them in place, so you can securely clip valuables like keys to one side, then clip the other side to your backpack, belt loop, or pocket. HIGH QUALITY STAINLESS STEEL  Solid, durable stainless steel construction and stainless steel gates with plastic SlideLocks make these S-Biners ultra-strong. Individually weight rated. Size #2  10lb | Size #3  25lb | Size #4  75lb KEEP KEYS SECURE  Upgrade your beat-up, bulky old carabiner key chain for a slim-line, locking stainless steel S-Biner. Clip keys to one side, then the other side is free to clip on and off your bag or pocket without disturbing your keys. GATES LOCK INDEPENDENTLY FOR ULTIMATE VERSATILE KEY CHAIN  Each slider can be locked and unlocked independently of the other, so you can keep your keys secured on one side, and leave the other unlocked for quick clipping and unclipping. WARNING - Not for use where disengagement could result in bodily injury or property damage. Not for climbing. WORRY-FREE GUARANTEE - all Nite Ize products are backed by our Worry-Free Guarantee