Hi John, I was sure I'd read as too the new chuck would take existing jaws from the write ups, had to really, a quick check on the website and .... The Evolution is fully compatible with all accessory mounting jaws and is the first of a new series of chucks and jaws. We are very proud of our new Axminster chuck which should give you many years of reliable service.... Ax has since taken to create the 114mm range of jaws.
Trust this helps in answering your question.
David