Answering question for Bias Master™ - TAD, tube tester, with 4 probes

Product:
Bias Master™ - TAD, tube tester, with 4 probes

Question:
I received the bias master. However, I am surprised that the manual and inside did not mention that it can measure KT120 tubes unlike it is mentioned in your website. Please confirm that it can be used on KT120 or not.