The Cinoart PT2 works with all types of portafilter brands, sizes and designs and suits both 58 and 58.3mm baskets (including VST). Deep cleaning or changing the tamping disk will require removal of the existing tamping disk and GLS.
To do so:
Press and hold Dn-Up to enter Cleaning Mode β Tamper Comes Down
Turn the tamping disk and GLS counterclockwise to remove, and clockwise to install a new tamping disk
Press and hold Dn-Up to enter Cleaning Mode β Tamper Returns Up
Please see video below for instructions on how to remove and reinstall the tamping disk.