M12 female thread for the portafilter handle. 3/8" Male thread for the spout. Any volume basket may be used in this part. It does not include the MOL12 portafilter spring. Fits the Astoria, Rio, Bezzera and Brasilia equipment as well as some machines that use the Astoria style lever-operated group head.
This is not the angled ergonomic version, but the "old" straight-handled version.
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.