Use your key duplicator to originate keys by code with these depth and spacing keys. Simply insert the key and make the desired cut in the desired location. Insert the next key and continue until you have made all of the cuts. These are cut on an electronic code machine. Includes 10 keys, one each of the 10 different factory cuts. .014" increments. Cut on a 6 pin AR4 1179A key blank but will also work on AR1 keys.