Versatile S-Biner MicroLock Carabiner: This S-Biner MicroLock carabiner has a unique double-gated design for easy attachment and removal of keys Carabiner for Multiple Keys: This key organizer is crafted from durable, colorful, lightweight aluminum; the stainless steel gates are sturdy and can hold heavy-duty keys Secure Keychain Carabiner: The S-Biner Microlock fits up to three standard keys; this key holder uses a twist-to-lock lever for added security Convenient Keyholder for Easy Organization: This durable and secure S-Biner MicroLock is perfect for organizing and identifying multiple keys About Nite Ize: Our inventor-driven products organize your life, protect your gear, light your way, and creatively solve everyday problems