Free replacement for all the barrel type key locks from Kryptonite including the HD disc locks ,that can be opened with a BIC pen. Kryptonite Locks The Kryptonite lock exchange program only applies to those locks manufactured by Kryptonite that have tubular style keys, as pictured. If you have questions about the Lock Exchange Program that are not answered in "Kryptonite Voluntary Lock Exchange Program FAQ", please call 877-484-8196 within the United States. If you are outside of the United States, please call 1-781-828-6655. Video YouTube - kryptonite lock 1