Nite Ize SBP0-2PK-10 S-Biner Plastic Size-0 Double Gated Carabiner, Red, 2-Pack
The Nite Ize S-Biner is a unique double gated carabiner with multiple uses for carrying keys, water bottles, camping and diving gear.  The size 0 is perfect for organizing keys on the ring by color; easily clipping and unclipping your pet's tags.  Weight rated, not for climbing