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.