The Uncut M1 Master Padlock DND Key is a high-quality key blank that is specifically designed for locksmiths and key cutting professionals. It is made from durable brass and features the words “DO NOT DUPLICATE” on the key. It also has a large neuter bow head, making it easy to grip and use. The Uncut M1 Master Padlock DND Key is compatible with M1 Master Padlock locks and is the perfect replacement for lost or damaged keys.