It is important that you order the correct type of keys, they need to match with your current key and lock in order to have them duplicated correctly. Our keys can match with Kwiset KW1/KW11, Schlage SC1, Wieser WR5/WR3, Yale U5D, and Universal U6D key types. Listed below are the countries where the key types are typically used. It can vary in some cases. Take a look at the key you are duplicating, the head of your key should match with one of the key head shapes depicted. Choose the matching type of key at checkout to ensure the keys will be compatible with your lock. Once you receive your new keys, take them and your original to your local hardware store or locksmith shop to have them cut / duplicated.