The S-Biner MicroLock is a great size to hold and organize keys to rings or for organizing other smaller items. With its added twist-to-lock center lever, it locks perfectly, preventing any unintended or accidental openings. Made of high quality stainless steel, the S-Biner MicroLock features a center lever made of durable plastic - a simple twist effectively and securely locks the gates, and keeps them that way until you twist it open again. Great for removing a single key from a ring to take on a run or ride, give to your mechanic, or leave for a friend. High quality stainless steel construction Center locking lever locks both wire gates at once WARNING: Not for use where disengagement could result in bodily injury or property damage. Not for climbing. Great for removing a single key from a ring Perfect size to hold and organize keys to rings or for organizing other smaller items