Available in keyed alike - search: #99 - 2 Keyed Alike A similar cable lock keyed alike is available with a length of 3 ft.. Please search: #719KA. 14" (35 cm) long vinyl covered cable with a 5mm cable diameter. 4-pin tumbler security. Attractive plastic lock cover prevents scratching the helmet. Dead-locking mechanism to prevent rapping the lock open. Helmet Lock by Master Lock - Model #99 - *This listing includes the lock and two keys. Also available keyed alike - search: #99 - 2 Keyed Alike Parking your motorcycle and having no where to secure your helmet is a dilemma. This simple 14" long cable is the solution for deterring the casual thief or prankster. Sold primarily as a gun lock this lock works magnificently for securing your helmet. These locks are also available as multiples - keyed alike. They can be purchased from our Amazon Storefront by clicking on our company logo.