Keep your keys secure and easy to remove with this clever keyring alternative, complete with super-safe locking arms.The Nite Ize S-Biner MicroLock is perfect for interchanging keys quickly and easily. Your keys are safe when attached thanks to the secure locking arm that prevents the gate of the carabiner from opening accidentally.High-quality stainless steel S-Biner Microlock Secure wire gate closurePlastic locking armsDimensions: 1.39" x 0.59" x 0.27"| 35.46mm x 15.08mm x 7.07mmWeight: 0.14 oz|4gWeight rating: 3 lb. Made from durable Stainless-Steel with Stainless-Steel gates and a strong plastic locking twist-lever. Each Micro Lock Fits Up To Three Standard Keys. The S-Biner MicroLock is the perfect size to hold and organize keys to rings or for organizing other smaller items. And now, with its added twist lever, it also 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. The S-Biner MicroLock is versatile, convenient, and ultra-secure.