The Nite Ize S-Biner MicroLock is perfect for removing keys in a hurry if you popping out for a run or want to leave your key with a friend.  When the key is attached you can rest assured it is safe due to the durable plastic locking arm that prevents the gate of the carabiner from opening accidentally. __Available in both Stainless & Black finishesHigh quality stainless steel constructionSecure stainless steel wire gate closureDimensions: 1.39" x 0.59" x 0.27" | 35.46mm x 15.08mm x 7.07mm Weight: 0.14 oz | 4gWeight rating: 3 lb._