We supply replacement Union KeyPrime keys. Union keyPRIME keys are supplied with a code. The code will consist of KPS00001 on the first line, followed by a number between 1 and 10000 on the second line. Please enter the number on the second line in the box on the product page. Please note, if the number on the first line is something other than KPS00001, we will be unable to supply the key.